Allow to override the recipes cipd version.

This is needed to be able to run subbuilds using the same cipd package
as the builders. In the past subbuilds were always running from main.

Bug: https://github.com/flutter/flutter/issues/97181
Change-Id: I5c6d1a4c7217d21c5c724deadc2f6f4dded7cebe
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/25780
Reviewed-by: Casey Hillers <chillers@google.com>
Commit-Queue: Godofredo Contreras <godofredoc@google.com>
diff --git a/recipe_modules/shard_util/api.py b/recipe_modules/shard_util/api.py
index e89da73..050d9d1 100644
--- a/recipe_modules/shard_util/api.py
+++ b/recipe_modules/shard_util/api.py
@@ -72,7 +72,8 @@
           # Increasing priority won't fix the problem but will make the deadlock
           # situation less unlikely.
           # https://github.com/flutter/flutter/issues/59169.
-          priority=25
+          priority=25,
+          exe_cipd_version=self.m.properties.get('exe_cipd_version', 'refs/heads/main')
       )
       reqs.append(req)
     return self.m.buildbucket.schedule(reqs)
diff --git a/recipe_modules/shard_util/examples/full.expected/postsubmit.json b/recipe_modules/shard_util/examples/full.expected/postsubmit.json
index d614a34..60fc7b7 100644
--- a/recipe_modules/shard_util/examples/full.expected/postsubmit.json
+++ b/recipe_modules/shard_util/examples/full.expected/postsubmit.json
@@ -8,7 +8,7 @@
     ],
     "infra_step": true,
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Windows SDK Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"\", \"subshard\": \"0\", \"task_name\": \"-0\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Windows SDK Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"\", \"subshard\": \"1_last\", \"task_name\": \"-1_last\"}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Windows SDK Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"\", \"subshard\": \"0\", \"task_name\": \"-0\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Windows SDK Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"\", \"subshard\": \"1_last\", \"task_name\": \"-1_last\"}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -38,6 +38,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Windows SDK Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
@@ -66,6 +69,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Windows SDK Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
diff --git a/recipe_modules/shard_util/examples/full.expected/presubmit.json b/recipe_modules/shard_util/examples/full.expected/presubmit.json
index 8c5996c..4490c0a 100644
--- a/recipe_modules/shard_util/examples/full.expected/presubmit.json
+++ b/recipe_modules/shard_util/examples/full.expected/presubmit.json
@@ -8,7 +8,7 @@
     ],
     "infra_step": true,
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"dimensions\": [{\"key\": \"os\", \"value\": \"Windows Server\"}], \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"$depot_tools/osx_sdk\": {\"sdk_version\": \"11a420a\"}, \"$flutter/osx_sdk\": {\"sdk_version\": \"11a420a\"}, \"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [{\"dependency\": \"android_sdk\"}, {\"dependency\": \"chrome_and_driver\"}], \"git_ref\": \"abc\", \"git_url\": \"https://abc\", \"shard\": \"\", \"subshard\": \"0\", \"task_name\": \"-0\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"dimensions\": [{\"key\": \"os\", \"value\": \"Windows Server\"}], \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"$depot_tools/osx_sdk\": {\"sdk_version\": \"11a420a\"}, \"$flutter/osx_sdk\": {\"sdk_version\": \"11a420a\"}, \"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [{\"dependency\": \"android_sdk\"}, {\"dependency\": \"chrome_and_driver\"}], \"git_ref\": \"abc\", \"git_url\": \"https://abc\", \"shard\": \"\", \"subshard\": \"1_last\", \"task_name\": \"-1_last\"}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"dimensions\": [{\"key\": \"os\", \"value\": \"Windows Server\"}], \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"$depot_tools/osx_sdk\": {\"sdk_version\": \"11a420a\"}, \"$flutter/osx_sdk\": {\"sdk_version\": \"11a420a\"}, \"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [{\"dependency\": \"android_sdk\"}, {\"dependency\": \"chrome_and_driver\"}], \"git_ref\": \"abc\", \"git_url\": \"https://abc\", \"shard\": \"\", \"subshard\": \"0\", \"task_name\": \"-0\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"dimensions\": [{\"key\": \"os\", \"value\": \"Windows Server\"}], \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"$depot_tools/osx_sdk\": {\"sdk_version\": \"11a420a\"}, \"$flutter/osx_sdk\": {\"sdk_version\": \"11a420a\"}, \"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [{\"dependency\": \"android_sdk\"}, {\"dependency\": \"chrome_and_driver\"}], \"git_ref\": \"abc\", \"git_url\": \"https://abc\", \"shard\": \"\", \"subshard\": \"1_last\", \"task_name\": \"-1_last\"}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -44,6 +44,9 @@
       "@@@STEP_LOG_LINE@request@            \"value\": \"Windows Server\"@@@",
       "@@@STEP_LOG_LINE@request@          }@@@",
       "@@@STEP_LOG_LINE@request@        ], @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
@@ -93,6 +96,9 @@
       "@@@STEP_LOG_LINE@request@            \"value\": \"Windows Server\"@@@",
       "@@@STEP_LOG_LINE@request@          }@@@",
       "@@@STEP_LOG_LINE@request@        ], @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
diff --git a/recipe_modules/shard_util_v2/api.py b/recipe_modules/shard_util_v2/api.py
index ab92402..59dc5bb 100644
--- a/recipe_modules/shard_util_v2/api.py
+++ b/recipe_modules/shard_util_v2/api.py
@@ -238,7 +238,8 @@
           # Increasing priority won't fix the problem but will make the deadlock
           # situation less unlikely.
           # https://github.com/flutter/flutter/issues/59169.
-          priority=25
+          priority=25,
+          exe_cipd_version=self.m.properties.get('exe_cipd_version', 'refs/heads/main')
       )
       reqs.append(req)
     scheduled_builds = self.m.buildbucket.schedule(reqs, step_name="schedule")
diff --git a/recipe_modules/shard_util_v2/examples/full.expected/presubmit_bb.json b/recipe_modules/shard_util_v2/examples/full.expected/presubmit_bb.json
index 5ca28d7..2e02547 100644
--- a/recipe_modules/shard_util_v2/examples/full.expected/presubmit_bb.json
+++ b/recipe_modules/shard_util_v2/examples/full.expected/presubmit_bb.json
@@ -24,7 +24,7 @@
       }
     },
     "name": "launch builds.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"try\", \"builder\": \"Linux Staging Engine Drone\", \"project\": \"fuchsia\"}, \"dimensions\": [{\"key\": \"dimension1\", \"value\": \"abc\"}], \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gerritChanges\": [{\"change\": \"123456\", \"host\": \"fuchsia-review.googlesource.com\", \"patchset\": \"7\", \"project\": \"fuchsia\"}], \"priority\": 25, \"properties\": {\"build\": {\"drone_dimensions\": [\"dimension1=abc\"], \"generators\": [{\"name\": \"generator1\", \"script\": \"script1.sh\"}], \"gn\": [\"--ios\"], \"name\": \"ios_debug\", \"ninja\": {\"config\": \"ios_debug\", \"targets\": []}}, \"builds\": [{\"drone_dimensions\": [\"dimension1=abc\"], \"generators\": [{\"name\": \"generator1\", \"script\": \"script1.sh\"}], \"gn\": [\"--ios\"], \"name\": \"ios_debug\", \"ninja\": {\"config\": \"ios_debug\", \"targets\": []}}], \"dependencies\": [{\"dependency\": \"android_sdk\"}, {\"dependency\": \"chrome_and_driver\"}], \"environment\": \"Staging\", \"git_ref\": \"refs/123/master\", \"git_url\": \"http://abc\", \"recipe\": \"engine_v2/builder\", \"task_name\": \"mytask\", \"tests\": [{\"dependencies\": [\"ios_debug\"], \"name\": \"felt_test\", \"parameters\": [\"test\"], \"scripts\": [\"out/script.sh\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"cq_experimental\", \"value\": \"false\"}, {\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"try\", \"builder\": \"Linux Staging Engine Drone\", \"project\": \"fuchsia\"}, \"dimensions\": [{\"key\": \"dimension1\", \"value\": \"abc\"}], \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gerritChanges\": [{\"change\": \"123456\", \"host\": \"fuchsia-review.googlesource.com\", \"patchset\": \"7\", \"project\": \"fuchsia\"}], \"priority\": 25, \"properties\": {\"build\": {\"drone_dimensions\": [\"dimension1=abc\"], \"generators\": [{\"name\": \"generator1\", \"script\": \"script1.sh\"}], \"gn\": [\"--ios\"], \"name\": \"ios_debug\", \"ninja\": {\"config\": \"ios_debug\", \"targets\": []}}, \"builds\": [{\"drone_dimensions\": [\"dimension1=abc\"], \"generators\": [{\"name\": \"generator1\", \"script\": \"script1.sh\"}], \"gn\": [\"--ios\"], \"name\": \"ios_debug\", \"ninja\": {\"config\": \"ios_debug\", \"targets\": []}}], \"dependencies\": [{\"dependency\": \"android_sdk\"}, {\"dependency\": \"chrome_and_driver\"}], \"environment\": \"Staging\", \"git_ref\": \"refs/123/master\", \"git_url\": \"http://abc\", \"recipe\": \"engine_v2/builder\", \"task_name\": \"mytask\", \"tests\": [{\"dependencies\": [\"ios_debug\"], \"name\": \"felt_test\", \"parameters\": [\"test\"], \"scripts\": [\"out/script.sh\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"cq_experimental\", \"value\": \"false\"}, {\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -57,6 +57,9 @@
       "@@@STEP_LOG_LINE@request@            \"value\": \"abc\"@@@",
       "@@@STEP_LOG_LINE@request@          }@@@",
       "@@@STEP_LOG_LINE@request@        ], @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gerritChanges\": [@@@",
diff --git a/recipes/engine.expected/Linux Fuchsia failing test.json b/recipes/engine.expected/Linux Fuchsia failing test.json
index 52b7274..3cd6792 100644
--- a/recipes/engine.expected/Linux Fuchsia failing test.json
+++ b/recipes/engine.expected/Linux Fuchsia failing test.json
@@ -1778,7 +1778,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -1804,6 +1804,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -1906,7 +1909,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -1932,6 +1935,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -2034,7 +2040,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -2060,6 +2066,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -2162,7 +2171,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -2188,6 +2197,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/Linux Fuchsia skips on duplicate.json b/recipes/engine.expected/Linux Fuchsia skips on duplicate.json
index 8741425..5a771b2 100644
--- a/recipes/engine.expected/Linux Fuchsia skips on duplicate.json
+++ b/recipes/engine.expected/Linux Fuchsia skips on duplicate.json
@@ -420,7 +420,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -446,6 +446,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -548,7 +551,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -574,6 +577,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -676,7 +682,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -702,6 +708,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -804,7 +813,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -830,6 +839,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/clobber.json b/recipes/engine.expected/clobber.json
index 2bbf46f..5e3fc86 100644
--- a/recipes/engine.expected/clobber.json
+++ b/recipes/engine.expected/clobber.json
@@ -10769,7 +10769,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10796,6 +10796,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10899,7 +10902,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10926,6 +10929,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11029,7 +11035,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11056,6 +11062,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11159,7 +11168,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11186,6 +11195,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11289,7 +11301,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11316,6 +11328,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14424,7 +14439,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14450,6 +14465,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14554,7 +14572,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14580,6 +14598,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14684,7 +14705,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14710,6 +14731,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14814,7 +14838,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14840,6 +14864,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/experimental.json b/recipes/engine.expected/experimental.json
index 21dbc14..ce27ab1 100644
--- a/recipes/engine.expected/experimental.json
+++ b/recipes/engine.expected/experimental.json
@@ -10767,7 +10767,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10794,6 +10794,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10895,7 +10898,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10922,6 +10925,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11023,7 +11029,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11050,6 +11056,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11151,7 +11160,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11178,6 +11187,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11279,7 +11291,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11306,6 +11318,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14412,7 +14427,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14438,6 +14453,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14540,7 +14558,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14566,6 +14584,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14668,7 +14689,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14694,6 +14715,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14796,7 +14820,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14822,6 +14846,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/experimental_upload.json b/recipes/engine.expected/experimental_upload.json
index f2b2e92..49f5f57 100644
--- a/recipes/engine.expected/experimental_upload.json
+++ b/recipes/engine.expected/experimental_upload.json
@@ -12507,7 +12507,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12534,6 +12534,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12635,7 +12638,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12662,6 +12665,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12763,7 +12769,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12790,6 +12796,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12891,7 +12900,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12918,6 +12927,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13019,7 +13031,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13046,6 +13058,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18130,7 +18145,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18156,6 +18171,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18258,7 +18276,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18284,6 +18302,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18386,7 +18407,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18412,6 +18433,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18514,7 +18538,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18540,6 +18564,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/fail_android_aot_sharded_builds.json b/recipes/engine.expected/fail_android_aot_sharded_builds.json
index 3934349..b45f23b 100644
--- a/recipes/engine.expected/fail_android_aot_sharded_builds.json
+++ b/recipes/engine.expected/fail_android_aot_sharded_builds.json
@@ -1881,7 +1881,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -1908,6 +1908,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -2011,7 +2014,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -2038,6 +2041,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -2141,7 +2147,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -2168,6 +2174,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -2271,7 +2280,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -2298,6 +2307,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -2401,7 +2413,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -2428,6 +2440,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/first_bot_update_failed.json b/recipes/engine.expected/first_bot_update_failed.json
index 52768d6..42abcd7 100644
--- a/recipes/engine.expected/first_bot_update_failed.json
+++ b/recipes/engine.expected/first_bot_update_failed.json
@@ -10926,7 +10926,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10953,6 +10953,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11056,7 +11059,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11083,6 +11086,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11186,7 +11192,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11213,6 +11219,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11316,7 +11325,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11343,6 +11352,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11446,7 +11458,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11473,6 +11485,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14581,7 +14596,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14607,6 +14622,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14711,7 +14729,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14737,6 +14755,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14841,7 +14862,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14867,6 +14888,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14971,7 +14995,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14997,6 +15021,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/gcloud_pubsub_failure.json b/recipes/engine.expected/gcloud_pubsub_failure.json
index 6587161..6baa8b6 100644
--- a/recipes/engine.expected/gcloud_pubsub_failure.json
+++ b/recipes/engine.expected/gcloud_pubsub_failure.json
@@ -10711,7 +10711,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10738,6 +10738,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10841,7 +10844,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10868,6 +10871,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10971,7 +10977,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10998,6 +11004,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11101,7 +11110,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11128,6 +11137,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11231,7 +11243,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11258,6 +11270,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14366,7 +14381,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14392,6 +14407,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14496,7 +14514,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14522,6 +14540,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14626,7 +14647,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14652,6 +14673,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14756,7 +14780,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14782,6 +14806,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux.json b/recipes/engine.expected/linux.json
index c798bf0..1511bb2 100644
--- a/recipes/engine.expected/linux.json
+++ b/recipes/engine.expected/linux.json
@@ -10709,7 +10709,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10736,6 +10736,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10837,7 +10840,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10864,6 +10867,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10965,7 +10971,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10992,6 +10998,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11093,7 +11102,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11120,6 +11129,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11221,7 +11233,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11248,6 +11260,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14405,7 +14420,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14431,6 +14446,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14533,7 +14551,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14559,6 +14577,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14661,7 +14682,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14687,6 +14708,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14789,7 +14813,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14815,6 +14839,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_font_subset.json b/recipes/engine.expected/linux_font_subset.json
index c798bf0..1511bb2 100644
--- a/recipes/engine.expected/linux_font_subset.json
+++ b/recipes/engine.expected/linux_font_subset.json
@@ -10709,7 +10709,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10736,6 +10736,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10837,7 +10840,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10864,6 +10867,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10965,7 +10971,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10992,6 +10998,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11093,7 +11102,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11120,6 +11129,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11221,7 +11233,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11248,6 +11260,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14405,7 +14420,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14431,6 +14446,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14533,7 +14551,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14559,6 +14577,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14661,7 +14682,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14687,6 +14708,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14789,7 +14813,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14815,6 +14839,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_maven.json b/recipes/engine.expected/linux_maven.json
index c798bf0..1511bb2 100644
--- a/recipes/engine.expected/linux_maven.json
+++ b/recipes/engine.expected/linux_maven.json
@@ -10709,7 +10709,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10736,6 +10736,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10837,7 +10840,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10864,6 +10867,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10965,7 +10971,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10992,6 +10998,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11093,7 +11102,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11120,6 +11129,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11221,7 +11233,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11248,6 +11260,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14405,7 +14420,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14431,6 +14446,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14533,7 +14551,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14559,6 +14577,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14661,7 +14682,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14687,6 +14708,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14789,7 +14813,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14815,6 +14839,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_maven_font_subset.json b/recipes/engine.expected/linux_maven_font_subset.json
index c798bf0..1511bb2 100644
--- a/recipes/engine.expected/linux_maven_font_subset.json
+++ b/recipes/engine.expected/linux_maven_font_subset.json
@@ -10709,7 +10709,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10736,6 +10736,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10837,7 +10840,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10864,6 +10867,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10965,7 +10971,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10992,6 +10998,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11093,7 +11102,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11120,6 +11129,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11221,7 +11233,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11248,6 +11260,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14405,7 +14420,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14431,6 +14446,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14533,7 +14551,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14559,6 +14577,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14661,7 +14682,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14687,6 +14708,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14789,7 +14813,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14815,6 +14839,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_maven_no_lto.json b/recipes/engine.expected/linux_maven_no_lto.json
index 3e185a8..04f06e0 100644
--- a/recipes/engine.expected/linux_maven_no_lto.json
+++ b/recipes/engine.expected/linux_maven_no_lto.json
@@ -10715,7 +10715,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10742,6 +10742,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10843,7 +10846,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10870,6 +10873,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10971,7 +10977,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10998,6 +11004,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11099,7 +11108,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11126,6 +11135,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11227,7 +11239,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11254,6 +11266,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14412,7 +14427,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14438,6 +14453,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14540,7 +14558,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14566,6 +14584,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14668,7 +14689,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14694,6 +14715,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14796,7 +14820,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14822,6 +14846,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_maven_no_lto_font_subset.json b/recipes/engine.expected/linux_maven_no_lto_font_subset.json
index 3e185a8..04f06e0 100644
--- a/recipes/engine.expected/linux_maven_no_lto_font_subset.json
+++ b/recipes/engine.expected/linux_maven_no_lto_font_subset.json
@@ -10715,7 +10715,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10742,6 +10742,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10843,7 +10846,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10870,6 +10873,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10971,7 +10977,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10998,6 +11004,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11099,7 +11108,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11126,6 +11135,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11227,7 +11239,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11254,6 +11266,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14412,7 +14427,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14438,6 +14453,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14540,7 +14558,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14566,6 +14584,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14668,7 +14689,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14694,6 +14715,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14796,7 +14820,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14822,6 +14846,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_maven_publish_cipd.json b/recipes/engine.expected/linux_maven_publish_cipd.json
index c798bf0..1511bb2 100644
--- a/recipes/engine.expected/linux_maven_publish_cipd.json
+++ b/recipes/engine.expected/linux_maven_publish_cipd.json
@@ -10709,7 +10709,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10736,6 +10736,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10837,7 +10840,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10864,6 +10867,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10965,7 +10971,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10992,6 +10998,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11093,7 +11102,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11120,6 +11129,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11221,7 +11233,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11248,6 +11260,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14405,7 +14420,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14431,6 +14446,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14533,7 +14551,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14559,6 +14577,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14661,7 +14682,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14687,6 +14708,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14789,7 +14813,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14815,6 +14839,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_maven_publish_cipd_font_subset.json b/recipes/engine.expected/linux_maven_publish_cipd_font_subset.json
index c798bf0..1511bb2 100644
--- a/recipes/engine.expected/linux_maven_publish_cipd_font_subset.json
+++ b/recipes/engine.expected/linux_maven_publish_cipd_font_subset.json
@@ -10709,7 +10709,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10736,6 +10736,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10837,7 +10840,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10864,6 +10867,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10965,7 +10971,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10992,6 +10998,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11093,7 +11102,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11120,6 +11129,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11221,7 +11233,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11248,6 +11260,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14405,7 +14420,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14431,6 +14446,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14533,7 +14551,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14559,6 +14577,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14661,7 +14682,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14687,6 +14708,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14789,7 +14813,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14815,6 +14839,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_maven_publish_cipd_no_lto.json b/recipes/engine.expected/linux_maven_publish_cipd_no_lto.json
index 3e185a8..04f06e0 100644
--- a/recipes/engine.expected/linux_maven_publish_cipd_no_lto.json
+++ b/recipes/engine.expected/linux_maven_publish_cipd_no_lto.json
@@ -10715,7 +10715,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10742,6 +10742,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10843,7 +10846,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10870,6 +10873,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10971,7 +10977,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10998,6 +11004,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11099,7 +11108,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11126,6 +11135,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11227,7 +11239,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11254,6 +11266,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14412,7 +14427,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14438,6 +14453,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14540,7 +14558,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14566,6 +14584,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14668,7 +14689,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14694,6 +14715,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14796,7 +14820,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14822,6 +14846,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_maven_publish_cipd_no_lto_font_subset.json b/recipes/engine.expected/linux_maven_publish_cipd_no_lto_font_subset.json
index 3e185a8..04f06e0 100644
--- a/recipes/engine.expected/linux_maven_publish_cipd_no_lto_font_subset.json
+++ b/recipes/engine.expected/linux_maven_publish_cipd_no_lto_font_subset.json
@@ -10715,7 +10715,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10742,6 +10742,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10843,7 +10846,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10870,6 +10873,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10971,7 +10977,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10998,6 +11004,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11099,7 +11108,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11126,6 +11135,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11227,7 +11239,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11254,6 +11266,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14412,7 +14427,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14438,6 +14453,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14540,7 +14558,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14566,6 +14584,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14668,7 +14689,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14694,6 +14715,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14796,7 +14820,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14822,6 +14846,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_no_lto.json b/recipes/engine.expected/linux_no_lto.json
index 3e185a8..04f06e0 100644
--- a/recipes/engine.expected/linux_no_lto.json
+++ b/recipes/engine.expected/linux_no_lto.json
@@ -10715,7 +10715,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10742,6 +10742,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10843,7 +10846,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10870,6 +10873,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10971,7 +10977,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10998,6 +11004,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11099,7 +11108,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11126,6 +11135,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11227,7 +11239,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11254,6 +11266,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14412,7 +14427,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14438,6 +14453,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14540,7 +14558,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14566,6 +14584,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14668,7 +14689,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14694,6 +14715,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14796,7 +14820,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14822,6 +14846,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_no_lto_font_subset.json b/recipes/engine.expected/linux_no_lto_font_subset.json
index 3e185a8..04f06e0 100644
--- a/recipes/engine.expected/linux_no_lto_font_subset.json
+++ b/recipes/engine.expected/linux_no_lto_font_subset.json
@@ -10715,7 +10715,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10742,6 +10742,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10843,7 +10846,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10870,6 +10873,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10971,7 +10977,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10998,6 +11004,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11099,7 +11108,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11126,6 +11135,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11227,7 +11239,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11254,6 +11266,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14412,7 +14427,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14438,6 +14453,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14540,7 +14558,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14566,6 +14584,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14668,7 +14689,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14694,6 +14715,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14796,7 +14820,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14822,6 +14846,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_publish_cipd.json b/recipes/engine.expected/linux_publish_cipd.json
index c798bf0..1511bb2 100644
--- a/recipes/engine.expected/linux_publish_cipd.json
+++ b/recipes/engine.expected/linux_publish_cipd.json
@@ -10709,7 +10709,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10736,6 +10736,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10837,7 +10840,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10864,6 +10867,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10965,7 +10971,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10992,6 +10998,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11093,7 +11102,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11120,6 +11129,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11221,7 +11233,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11248,6 +11260,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14405,7 +14420,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14431,6 +14446,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14533,7 +14551,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14559,6 +14577,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14661,7 +14682,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14687,6 +14708,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14789,7 +14813,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14815,6 +14839,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_publish_cipd_font_subset.json b/recipes/engine.expected/linux_publish_cipd_font_subset.json
index c798bf0..1511bb2 100644
--- a/recipes/engine.expected/linux_publish_cipd_font_subset.json
+++ b/recipes/engine.expected/linux_publish_cipd_font_subset.json
@@ -10709,7 +10709,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10736,6 +10736,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10837,7 +10840,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10864,6 +10867,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10965,7 +10971,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10992,6 +10998,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11093,7 +11102,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11120,6 +11129,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11221,7 +11233,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11248,6 +11260,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14405,7 +14420,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14431,6 +14446,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14533,7 +14551,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14559,6 +14577,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14661,7 +14682,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14687,6 +14708,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14789,7 +14813,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14815,6 +14839,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_publish_cipd_no_lto.json b/recipes/engine.expected/linux_publish_cipd_no_lto.json
index 3e185a8..04f06e0 100644
--- a/recipes/engine.expected/linux_publish_cipd_no_lto.json
+++ b/recipes/engine.expected/linux_publish_cipd_no_lto.json
@@ -10715,7 +10715,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10742,6 +10742,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10843,7 +10846,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10870,6 +10873,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10971,7 +10977,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10998,6 +11004,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11099,7 +11108,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11126,6 +11135,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11227,7 +11239,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11254,6 +11266,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14412,7 +14427,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14438,6 +14453,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14540,7 +14558,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14566,6 +14584,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14668,7 +14689,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14694,6 +14715,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14796,7 +14820,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14822,6 +14846,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_publish_cipd_no_lto_font_subset.json b/recipes/engine.expected/linux_publish_cipd_no_lto_font_subset.json
index 3e185a8..04f06e0 100644
--- a/recipes/engine.expected/linux_publish_cipd_no_lto_font_subset.json
+++ b/recipes/engine.expected/linux_publish_cipd_no_lto_font_subset.json
@@ -10715,7 +10715,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10742,6 +10742,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10843,7 +10846,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10870,6 +10873,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10971,7 +10977,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10998,6 +11004,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11099,7 +11108,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11126,6 +11135,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11227,7 +11239,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11254,6 +11266,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14412,7 +14427,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14438,6 +14453,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14540,7 +14558,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14566,6 +14584,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14668,7 +14689,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14694,6 +14715,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14796,7 +14820,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14822,6 +14846,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_upload.json b/recipes/engine.expected/linux_upload.json
index 4d5b10e..dc1d75c 100644
--- a/recipes/engine.expected/linux_upload.json
+++ b/recipes/engine.expected/linux_upload.json
@@ -12398,7 +12398,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12425,6 +12425,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12526,7 +12529,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12553,6 +12556,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12654,7 +12660,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12681,6 +12687,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12782,7 +12791,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12809,6 +12818,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12910,7 +12922,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12937,6 +12949,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18072,7 +18087,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18098,6 +18113,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18200,7 +18218,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18226,6 +18244,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18328,7 +18349,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18354,6 +18375,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18456,7 +18480,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18482,6 +18506,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_upload_font_subset.json b/recipes/engine.expected/linux_upload_font_subset.json
index d7ecbd1..0a6a60a 100644
--- a/recipes/engine.expected/linux_upload_font_subset.json
+++ b/recipes/engine.expected/linux_upload_font_subset.json
@@ -12449,7 +12449,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12476,6 +12476,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12577,7 +12580,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12604,6 +12607,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12705,7 +12711,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12732,6 +12738,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12833,7 +12842,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12860,6 +12869,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12961,7 +12973,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12988,6 +13000,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18123,7 +18138,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18149,6 +18164,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18251,7 +18269,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18277,6 +18295,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18379,7 +18400,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18405,6 +18426,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18507,7 +18531,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18533,6 +18557,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_upload_maven.json b/recipes/engine.expected/linux_upload_maven.json
index 731dfde..04a8d7d 100644
--- a/recipes/engine.expected/linux_upload_maven.json
+++ b/recipes/engine.expected/linux_upload_maven.json
@@ -11837,7 +11837,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11864,6 +11864,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11965,7 +11968,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11992,6 +11995,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12093,7 +12099,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12120,6 +12126,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12221,7 +12230,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12248,6 +12257,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12349,7 +12361,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12376,6 +12388,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16575,7 +16590,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16601,6 +16616,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16703,7 +16721,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16729,6 +16747,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16831,7 +16852,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16857,6 +16878,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16959,7 +16983,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16985,6 +17009,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_upload_maven_font_subset.json b/recipes/engine.expected/linux_upload_maven_font_subset.json
index 86a150f..4c8955e 100644
--- a/recipes/engine.expected/linux_upload_maven_font_subset.json
+++ b/recipes/engine.expected/linux_upload_maven_font_subset.json
@@ -11888,7 +11888,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11915,6 +11915,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12016,7 +12019,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12043,6 +12046,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12144,7 +12150,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12171,6 +12177,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12272,7 +12281,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12299,6 +12308,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12400,7 +12412,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12427,6 +12439,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16626,7 +16641,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16652,6 +16667,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16754,7 +16772,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16780,6 +16798,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16882,7 +16903,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16908,6 +16929,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17010,7 +17034,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17036,6 +17060,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_upload_maven_no_lto.json b/recipes/engine.expected/linux_upload_maven_no_lto.json
index adc4cc6..6cc8382 100644
--- a/recipes/engine.expected/linux_upload_maven_no_lto.json
+++ b/recipes/engine.expected/linux_upload_maven_no_lto.json
@@ -11843,7 +11843,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11870,6 +11870,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11971,7 +11974,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11998,6 +12001,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12099,7 +12105,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12126,6 +12132,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12227,7 +12236,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12254,6 +12263,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12355,7 +12367,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12382,6 +12394,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16582,7 +16597,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16608,6 +16623,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16710,7 +16728,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16736,6 +16754,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16838,7 +16859,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16864,6 +16885,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16966,7 +16990,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16992,6 +17016,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_upload_maven_no_lto_font_subset.json b/recipes/engine.expected/linux_upload_maven_no_lto_font_subset.json
index 6dea0ea..05c8e57 100644
--- a/recipes/engine.expected/linux_upload_maven_no_lto_font_subset.json
+++ b/recipes/engine.expected/linux_upload_maven_no_lto_font_subset.json
@@ -11894,7 +11894,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11921,6 +11921,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12022,7 +12025,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12049,6 +12052,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12150,7 +12156,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12177,6 +12183,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12278,7 +12287,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12305,6 +12314,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12406,7 +12418,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12433,6 +12445,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16633,7 +16648,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16659,6 +16674,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16761,7 +16779,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16787,6 +16805,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16889,7 +16910,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16915,6 +16936,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17017,7 +17041,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17043,6 +17067,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_upload_maven_publish_cipd.json b/recipes/engine.expected/linux_upload_maven_publish_cipd.json
index 7f1b2c8..84d9711 100644
--- a/recipes/engine.expected/linux_upload_maven_publish_cipd.json
+++ b/recipes/engine.expected/linux_upload_maven_publish_cipd.json
@@ -11837,7 +11837,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11864,6 +11864,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11965,7 +11968,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11992,6 +11995,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12093,7 +12099,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12120,6 +12126,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12221,7 +12230,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12248,6 +12257,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12349,7 +12361,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12376,6 +12388,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16575,7 +16590,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16601,6 +16616,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16703,7 +16721,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16729,6 +16747,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16831,7 +16852,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16857,6 +16878,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16959,7 +16983,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16985,6 +17009,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_upload_maven_publish_cipd_font_subset.json b/recipes/engine.expected/linux_upload_maven_publish_cipd_font_subset.json
index 55ee5c0..88269db 100644
--- a/recipes/engine.expected/linux_upload_maven_publish_cipd_font_subset.json
+++ b/recipes/engine.expected/linux_upload_maven_publish_cipd_font_subset.json
@@ -11888,7 +11888,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11915,6 +11915,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12016,7 +12019,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12043,6 +12046,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12144,7 +12150,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12171,6 +12177,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12272,7 +12281,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12299,6 +12308,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12400,7 +12412,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12427,6 +12439,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16626,7 +16641,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16652,6 +16667,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16754,7 +16772,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16780,6 +16798,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16882,7 +16903,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16908,6 +16929,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17010,7 +17034,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17036,6 +17060,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_upload_maven_publish_cipd_no_lto.json b/recipes/engine.expected/linux_upload_maven_publish_cipd_no_lto.json
index d23be5e..2fa7ddb 100644
--- a/recipes/engine.expected/linux_upload_maven_publish_cipd_no_lto.json
+++ b/recipes/engine.expected/linux_upload_maven_publish_cipd_no_lto.json
@@ -11843,7 +11843,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11870,6 +11870,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11971,7 +11974,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11998,6 +12001,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12099,7 +12105,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12126,6 +12132,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12227,7 +12236,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12254,6 +12263,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12355,7 +12367,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12382,6 +12394,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16582,7 +16597,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16608,6 +16623,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16710,7 +16728,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16736,6 +16754,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16838,7 +16859,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16864,6 +16885,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16966,7 +16990,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16992,6 +17016,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_upload_maven_publish_cipd_no_lto_font_subset.json b/recipes/engine.expected/linux_upload_maven_publish_cipd_no_lto_font_subset.json
index 497fc44..6463601 100644
--- a/recipes/engine.expected/linux_upload_maven_publish_cipd_no_lto_font_subset.json
+++ b/recipes/engine.expected/linux_upload_maven_publish_cipd_no_lto_font_subset.json
@@ -11894,7 +11894,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11921,6 +11921,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12022,7 +12025,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12049,6 +12052,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12150,7 +12156,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12177,6 +12183,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12278,7 +12287,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12305,6 +12314,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12406,7 +12418,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12433,6 +12445,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16633,7 +16648,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16659,6 +16674,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16761,7 +16779,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16787,6 +16805,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16889,7 +16910,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16915,6 +16936,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17017,7 +17041,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17043,6 +17067,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_upload_no_lto.json b/recipes/engine.expected/linux_upload_no_lto.json
index d883853..a043b08 100644
--- a/recipes/engine.expected/linux_upload_no_lto.json
+++ b/recipes/engine.expected/linux_upload_no_lto.json
@@ -12404,7 +12404,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12431,6 +12431,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12532,7 +12535,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12559,6 +12562,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12660,7 +12666,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12687,6 +12693,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12788,7 +12797,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12815,6 +12824,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12916,7 +12928,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12943,6 +12955,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18079,7 +18094,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18105,6 +18120,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18207,7 +18225,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18233,6 +18251,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18335,7 +18356,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18361,6 +18382,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18463,7 +18487,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18489,6 +18513,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_upload_no_lto_font_subset.json b/recipes/engine.expected/linux_upload_no_lto_font_subset.json
index 94e312c..f30733a 100644
--- a/recipes/engine.expected/linux_upload_no_lto_font_subset.json
+++ b/recipes/engine.expected/linux_upload_no_lto_font_subset.json
@@ -12455,7 +12455,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12482,6 +12482,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12583,7 +12586,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12610,6 +12613,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12711,7 +12717,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12738,6 +12744,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12839,7 +12848,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12866,6 +12875,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12967,7 +12979,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12994,6 +13006,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18130,7 +18145,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18156,6 +18171,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18258,7 +18276,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18284,6 +18302,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18386,7 +18407,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18412,6 +18433,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18514,7 +18538,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18540,6 +18564,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_upload_publish_cipd.json b/recipes/engine.expected/linux_upload_publish_cipd.json
index d819218..7d444b7 100644
--- a/recipes/engine.expected/linux_upload_publish_cipd.json
+++ b/recipes/engine.expected/linux_upload_publish_cipd.json
@@ -12398,7 +12398,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12425,6 +12425,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12526,7 +12529,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12553,6 +12556,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12654,7 +12660,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12681,6 +12687,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12782,7 +12791,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12809,6 +12818,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12910,7 +12922,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12937,6 +12949,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18072,7 +18087,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18098,6 +18113,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18200,7 +18218,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18226,6 +18244,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18328,7 +18349,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18354,6 +18375,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18456,7 +18480,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18482,6 +18506,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_upload_publish_cipd_font_subset.json b/recipes/engine.expected/linux_upload_publish_cipd_font_subset.json
index 40eb746..e4ad58b 100644
--- a/recipes/engine.expected/linux_upload_publish_cipd_font_subset.json
+++ b/recipes/engine.expected/linux_upload_publish_cipd_font_subset.json
@@ -12449,7 +12449,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12476,6 +12476,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12577,7 +12580,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12604,6 +12607,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12705,7 +12711,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12732,6 +12738,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12833,7 +12842,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12860,6 +12869,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12961,7 +12973,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12988,6 +13000,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18123,7 +18138,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18149,6 +18164,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18251,7 +18269,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18277,6 +18295,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18379,7 +18400,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18405,6 +18426,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18507,7 +18531,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18533,6 +18557,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_upload_publish_cipd_no_lto.json b/recipes/engine.expected/linux_upload_publish_cipd_no_lto.json
index 18cbd05..a1dc22f 100644
--- a/recipes/engine.expected/linux_upload_publish_cipd_no_lto.json
+++ b/recipes/engine.expected/linux_upload_publish_cipd_no_lto.json
@@ -12404,7 +12404,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12431,6 +12431,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12532,7 +12535,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12559,6 +12562,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12660,7 +12666,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12687,6 +12693,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12788,7 +12797,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12815,6 +12824,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12916,7 +12928,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12943,6 +12955,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18079,7 +18094,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18105,6 +18120,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18207,7 +18225,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18233,6 +18251,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18335,7 +18356,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18361,6 +18382,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18463,7 +18487,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18489,6 +18513,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/linux_upload_publish_cipd_no_lto_font_subset.json b/recipes/engine.expected/linux_upload_publish_cipd_no_lto_font_subset.json
index 3687c4e..4cbe305 100644
--- a/recipes/engine.expected/linux_upload_publish_cipd_no_lto_font_subset.json
+++ b/recipes/engine.expected/linux_upload_publish_cipd_no_lto_font_subset.json
@@ -12455,7 +12455,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12482,6 +12482,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12583,7 +12586,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12610,6 +12613,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12711,7 +12717,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12738,6 +12744,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12839,7 +12848,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12866,6 +12875,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12967,7 +12979,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12994,6 +13006,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18130,7 +18145,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18156,6 +18171,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18258,7 +18276,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18284,6 +18302,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18386,7 +18407,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18412,6 +18433,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18514,7 +18538,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18540,6 +18564,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/mac.json b/recipes/engine.expected/mac.json
index b5a561c..732f96d 100644
--- a/recipes/engine.expected/mac.json
+++ b/recipes/engine.expected/mac.json
@@ -12049,7 +12049,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12075,6 +12075,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12177,7 +12180,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12203,6 +12206,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12305,7 +12311,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12331,6 +12337,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12433,7 +12442,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12459,6 +12468,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/mac_font_subset.json b/recipes/engine.expected/mac_font_subset.json
index b5a561c..732f96d 100644
--- a/recipes/engine.expected/mac_font_subset.json
+++ b/recipes/engine.expected/mac_font_subset.json
@@ -12049,7 +12049,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12075,6 +12075,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12177,7 +12180,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12203,6 +12206,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12305,7 +12311,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12331,6 +12337,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12433,7 +12442,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12459,6 +12468,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/mac_no_lto.json b/recipes/engine.expected/mac_no_lto.json
index faef5d1..a715364 100644
--- a/recipes/engine.expected/mac_no_lto.json
+++ b/recipes/engine.expected/mac_no_lto.json
@@ -12062,7 +12062,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12088,6 +12088,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12190,7 +12193,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12216,6 +12219,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12318,7 +12324,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12344,6 +12350,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12446,7 +12455,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12472,6 +12481,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/mac_no_lto_font_subset.json b/recipes/engine.expected/mac_no_lto_font_subset.json
index faef5d1..a715364 100644
--- a/recipes/engine.expected/mac_no_lto_font_subset.json
+++ b/recipes/engine.expected/mac_no_lto_font_subset.json
@@ -12062,7 +12062,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12088,6 +12088,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12190,7 +12193,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12216,6 +12219,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12318,7 +12324,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12344,6 +12350,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12446,7 +12455,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12472,6 +12481,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/mac_publish_cipd.json b/recipes/engine.expected/mac_publish_cipd.json
index b5a561c..732f96d 100644
--- a/recipes/engine.expected/mac_publish_cipd.json
+++ b/recipes/engine.expected/mac_publish_cipd.json
@@ -12049,7 +12049,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12075,6 +12075,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12177,7 +12180,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12203,6 +12206,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12305,7 +12311,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12331,6 +12337,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12433,7 +12442,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12459,6 +12468,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/mac_publish_cipd_font_subset.json b/recipes/engine.expected/mac_publish_cipd_font_subset.json
index b5a561c..732f96d 100644
--- a/recipes/engine.expected/mac_publish_cipd_font_subset.json
+++ b/recipes/engine.expected/mac_publish_cipd_font_subset.json
@@ -12049,7 +12049,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12075,6 +12075,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12177,7 +12180,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12203,6 +12206,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12305,7 +12311,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12331,6 +12337,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12433,7 +12442,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12459,6 +12468,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/mac_publish_cipd_no_lto.json b/recipes/engine.expected/mac_publish_cipd_no_lto.json
index faef5d1..a715364 100644
--- a/recipes/engine.expected/mac_publish_cipd_no_lto.json
+++ b/recipes/engine.expected/mac_publish_cipd_no_lto.json
@@ -12062,7 +12062,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12088,6 +12088,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12190,7 +12193,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12216,6 +12219,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12318,7 +12324,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12344,6 +12350,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12446,7 +12455,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12472,6 +12481,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/mac_publish_cipd_no_lto_font_subset.json b/recipes/engine.expected/mac_publish_cipd_no_lto_font_subset.json
index faef5d1..a715364 100644
--- a/recipes/engine.expected/mac_publish_cipd_no_lto_font_subset.json
+++ b/recipes/engine.expected/mac_publish_cipd_no_lto_font_subset.json
@@ -12062,7 +12062,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12088,6 +12088,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12190,7 +12193,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12216,6 +12219,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12318,7 +12324,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12344,6 +12350,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12446,7 +12455,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12472,6 +12481,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/mac_upload.json b/recipes/engine.expected/mac_upload.json
index c050459..2ed402b 100644
--- a/recipes/engine.expected/mac_upload.json
+++ b/recipes/engine.expected/mac_upload.json
@@ -13287,7 +13287,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13313,6 +13313,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13415,7 +13418,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13441,6 +13444,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13543,7 +13549,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13569,6 +13575,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13671,7 +13680,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13697,6 +13706,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/mac_upload_font_subset.json b/recipes/engine.expected/mac_upload_font_subset.json
index ae36d63..18611a0 100644
--- a/recipes/engine.expected/mac_upload_font_subset.json
+++ b/recipes/engine.expected/mac_upload_font_subset.json
@@ -13338,7 +13338,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13364,6 +13364,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13466,7 +13469,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13492,6 +13495,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13594,7 +13600,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13620,6 +13626,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13722,7 +13731,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13748,6 +13757,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/mac_upload_no_lto.json b/recipes/engine.expected/mac_upload_no_lto.json
index cc7d9dc..41d41df 100644
--- a/recipes/engine.expected/mac_upload_no_lto.json
+++ b/recipes/engine.expected/mac_upload_no_lto.json
@@ -13300,7 +13300,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13326,6 +13326,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13428,7 +13431,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13454,6 +13457,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13556,7 +13562,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13582,6 +13588,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13684,7 +13693,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13710,6 +13719,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/mac_upload_no_lto_font_subset.json b/recipes/engine.expected/mac_upload_no_lto_font_subset.json
index 6430fd3..daeb60c 100644
--- a/recipes/engine.expected/mac_upload_no_lto_font_subset.json
+++ b/recipes/engine.expected/mac_upload_no_lto_font_subset.json
@@ -13351,7 +13351,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13377,6 +13377,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13479,7 +13482,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13505,6 +13508,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13607,7 +13613,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13633,6 +13639,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13735,7 +13744,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13761,6 +13770,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/mac_upload_publish_cipd.json b/recipes/engine.expected/mac_upload_publish_cipd.json
index c050459..2ed402b 100644
--- a/recipes/engine.expected/mac_upload_publish_cipd.json
+++ b/recipes/engine.expected/mac_upload_publish_cipd.json
@@ -13287,7 +13287,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13313,6 +13313,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13415,7 +13418,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13441,6 +13444,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13543,7 +13549,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13569,6 +13575,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13671,7 +13680,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13697,6 +13706,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/mac_upload_publish_cipd_font_subset.json b/recipes/engine.expected/mac_upload_publish_cipd_font_subset.json
index ae36d63..18611a0 100644
--- a/recipes/engine.expected/mac_upload_publish_cipd_font_subset.json
+++ b/recipes/engine.expected/mac_upload_publish_cipd_font_subset.json
@@ -13338,7 +13338,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13364,6 +13364,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13466,7 +13469,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13492,6 +13495,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13594,7 +13600,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13620,6 +13626,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13722,7 +13731,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13748,6 +13757,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/mac_upload_publish_cipd_no_lto.json b/recipes/engine.expected/mac_upload_publish_cipd_no_lto.json
index cc7d9dc..41d41df 100644
--- a/recipes/engine.expected/mac_upload_publish_cipd_no_lto.json
+++ b/recipes/engine.expected/mac_upload_publish_cipd_no_lto.json
@@ -13300,7 +13300,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13326,6 +13326,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13428,7 +13431,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13454,6 +13457,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13556,7 +13562,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13582,6 +13588,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13684,7 +13693,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13710,6 +13719,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/mac_upload_publish_cipd_no_lto_font_subset.json b/recipes/engine.expected/mac_upload_publish_cipd_no_lto_font_subset.json
index 6430fd3..daeb60c 100644
--- a/recipes/engine.expected/mac_upload_publish_cipd_no_lto_font_subset.json
+++ b/recipes/engine.expected/mac_upload_publish_cipd_no_lto_font_subset.json
@@ -13351,7 +13351,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13377,6 +13377,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13479,7 +13482,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13505,6 +13508,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13607,7 +13613,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13633,6 +13639,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13735,7 +13744,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001349\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13761,6 +13770,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.expected/pull_request.json b/recipes/engine.expected/pull_request.json
index d2e0f13..05a8b1c 100644
--- a/recipes/engine.expected/pull_request.json
+++ b/recipes/engine.expected/pull_request.json
@@ -10711,7 +10711,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10738,6 +10738,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10841,7 +10844,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10868,6 +10871,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10971,7 +10977,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10998,6 +11004,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11101,7 +11110,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11128,6 +11137,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11231,7 +11243,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11258,6 +11270,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14366,7 +14381,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14392,6 +14407,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14496,7 +14514,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14522,6 +14540,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14626,7 +14647,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14652,6 +14673,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14756,7 +14780,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14782,6 +14806,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine.py b/recipes/engine.py
index 18e5038..60e4f21 100644
--- a/recipes/engine.py
+++ b/recipes/engine.py
@@ -155,7 +155,8 @@
       # Increasing priority won't fix the problem but will make the deadlock
       # situation less unlikely.
       # https://github.com/flutter/flutter/issues/59169.
-      priority=25
+      priority=25,
+      exe_cipd_version=api.properties.get('exe_cipd_version', 'refs/heads/main')
   )
   return api.buildbucket.schedule([req])
 
diff --git a/recipes/engine/web_engine_framework.expected/linux-pre-submit.json b/recipes/engine/web_engine_framework.expected/linux-pre-submit.json
index e4ca59f..aff10c8 100644
--- a/recipes/engine/web_engine_framework.expected/linux-pre-submit.json
+++ b/recipes/engine/web_engine_framework.expected/linux-pre-submit.json
@@ -1327,7 +1327,7 @@
     },
     "infra_step": true,
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"dependencies\": [{\"dependency\": \"chrome_and_driver\"}], \"git_ref\": \"b6efc758213fdfffee1234465\", \"git_url\": \"https://github.com/flutter/flutter\", \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"shard\": \"web_tests\", \"subshard\": \"0\", \"task_name\": \"web_tests-0\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"dependencies\": [{\"dependency\": \"chrome_and_driver\"}], \"git_ref\": \"b6efc758213fdfffee1234465\", \"git_url\": \"https://github.com/flutter/flutter\", \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"shard\": \"web_tests\", \"subshard\": \"1_last\", \"task_name\": \"web_tests-1_last\"}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"dependencies\": [{\"dependency\": \"chrome_and_driver\"}], \"git_ref\": \"b6efc758213fdfffee1234465\", \"git_url\": \"https://github.com/flutter/flutter\", \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"shard\": \"web_tests\", \"subshard\": \"0\", \"task_name\": \"web_tests-0\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"dependencies\": [{\"dependency\": \"chrome_and_driver\"}], \"git_ref\": \"b6efc758213fdfffee1234465\", \"git_url\": \"https://github.com/flutter/flutter\", \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"shard\": \"web_tests\", \"subshard\": \"1_last\", \"task_name\": \"web_tests-1_last\"}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -1357,6 +1357,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux SDK Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
@@ -1390,6 +1393,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux SDK Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
diff --git a/recipes/engine/web_engine_framework.py b/recipes/engine/web_engine_framework.py
index 3ac6028..f58a3b5 100644
--- a/recipes/engine/web_engine_framework.py
+++ b/recipes/engine/web_engine_framework.py
@@ -188,7 +188,8 @@
         swarming_parent_run_id=api.swarming.task_id,
         builder='%s SDK Drone' % platform_name,
         properties=drone_props,
-        priority=25
+        priority=25,
+        exe_cipd_version=api.properties.get('exe_cipd_version', 'refs/heads/main')
     )
     reqs.append(req)
   return api.buildbucket.schedule(reqs)
diff --git a/recipes/engine/web_engine_framework_2_5_0.expected/linux-pre-submit.json b/recipes/engine/web_engine_framework_2_5_0.expected/linux-pre-submit.json
index 7f0070b..782e8a4 100644
--- a/recipes/engine/web_engine_framework_2_5_0.expected/linux-pre-submit.json
+++ b/recipes/engine/web_engine_framework_2_5_0.expected/linux-pre-submit.json
@@ -1150,7 +1150,7 @@
     },
     "infra_step": true,
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"dependencies\": [{\"dependency\": \"chrome_and_driver\"}], \"git_ref\": \"b6efc758213fdfffee1234465\", \"git_url\": \"https://github.com/flutter/flutter\", \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"shard\": \"web_tests\", \"subshard\": \"0\", \"task_name\": \"web_tests-0\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"dependencies\": [{\"dependency\": \"chrome_and_driver\"}], \"git_ref\": \"b6efc758213fdfffee1234465\", \"git_url\": \"https://github.com/flutter/flutter\", \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"shard\": \"web_tests\", \"subshard\": \"1_last\", \"task_name\": \"web_tests-1_last\"}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"dependencies\": [{\"dependency\": \"chrome_and_driver\"}], \"git_ref\": \"b6efc758213fdfffee1234465\", \"git_url\": \"https://github.com/flutter/flutter\", \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"shard\": \"web_tests\", \"subshard\": \"0\", \"task_name\": \"web_tests-0\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"dependencies\": [{\"dependency\": \"chrome_and_driver\"}], \"git_ref\": \"b6efc758213fdfffee1234465\", \"git_url\": \"https://github.com/flutter/flutter\", \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"shard\": \"web_tests\", \"subshard\": \"1_last\", \"task_name\": \"web_tests-1_last\"}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -1180,6 +1180,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux SDK Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
@@ -1213,6 +1216,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux SDK Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
diff --git a/recipes/engine/web_engine_framework_2_5_0.py b/recipes/engine/web_engine_framework_2_5_0.py
index 1d0cccf..d62c79b 100644
--- a/recipes/engine/web_engine_framework_2_5_0.py
+++ b/recipes/engine/web_engine_framework_2_5_0.py
@@ -219,7 +219,8 @@
         swarming_parent_run_id=api.swarming.task_id,
         builder='%s SDK Drone' % platform_name,
         properties=drone_props,
-        priority=25
+        priority=25,
+        exe_cipd_version=api.properties.get('exe_cipd_version', 'refs/heads/main')
     )
     reqs.append(req)
   return api.buildbucket.schedule(reqs)
diff --git a/recipes/engine/web_engine_framework_2_8_0.expected/linux-pre-submit.json b/recipes/engine/web_engine_framework_2_8_0.expected/linux-pre-submit.json
index a9c8892..bd48bb4 100644
--- a/recipes/engine/web_engine_framework_2_8_0.expected/linux-pre-submit.json
+++ b/recipes/engine/web_engine_framework_2_8_0.expected/linux-pre-submit.json
@@ -1150,7 +1150,7 @@
     },
     "infra_step": true,
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"dependencies\": [{\"dependency\": \"chrome_and_driver\"}], \"git_ref\": \"b6efc758213fdfffee1234465\", \"git_url\": \"https://github.com/flutter/flutter\", \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"shard\": \"web_tests\", \"subshard\": \"0\", \"task_name\": \"web_tests-0\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"dependencies\": [{\"dependency\": \"chrome_and_driver\"}], \"git_ref\": \"b6efc758213fdfffee1234465\", \"git_url\": \"https://github.com/flutter/flutter\", \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"shard\": \"web_tests\", \"subshard\": \"1_last\", \"task_name\": \"web_tests-1_last\"}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"dependencies\": [{\"dependency\": \"chrome_and_driver\"}], \"git_ref\": \"b6efc758213fdfffee1234465\", \"git_url\": \"https://github.com/flutter/flutter\", \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"shard\": \"web_tests\", \"subshard\": \"0\", \"task_name\": \"web_tests-0\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"dependencies\": [{\"dependency\": \"chrome_and_driver\"}], \"git_ref\": \"b6efc758213fdfffee1234465\", \"git_url\": \"https://github.com/flutter/flutter\", \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"shard\": \"web_tests\", \"subshard\": \"1_last\", \"task_name\": \"web_tests-1_last\"}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -1180,6 +1180,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux SDK Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
@@ -1213,6 +1216,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux SDK Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
diff --git a/recipes/engine/web_engine_framework_2_8_0.py b/recipes/engine/web_engine_framework_2_8_0.py
index 5436a6e..527662f 100644
--- a/recipes/engine/web_engine_framework_2_8_0.py
+++ b/recipes/engine/web_engine_framework_2_8_0.py
@@ -186,7 +186,8 @@
         swarming_parent_run_id=api.swarming.task_id,
         builder='%s SDK Drone' % platform_name,
         properties=drone_props,
-        priority=25
+        priority=25,
+        exe_cipd_version=api.properties.get('exe_cipd_version', 'refs/heads/main')
     )
     reqs.append(req)
   return api.buildbucket.schedule(reqs)
diff --git a/recipes/engine_2_5_0.expected/Linux Fuchsia failing test.json b/recipes/engine_2_5_0.expected/Linux Fuchsia failing test.json
index d1a42c6..1e97ed1 100644
--- a/recipes/engine_2_5_0.expected/Linux Fuchsia failing test.json
+++ b/recipes/engine_2_5_0.expected/Linux Fuchsia failing test.json
@@ -1778,7 +1778,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -1804,6 +1804,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -1906,7 +1909,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -1932,6 +1935,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -2034,7 +2040,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -2060,6 +2066,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -2162,7 +2171,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -2188,6 +2197,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/Linux Fuchsia skips on duplicate.json b/recipes/engine_2_5_0.expected/Linux Fuchsia skips on duplicate.json
index 8741425..5a771b2 100644
--- a/recipes/engine_2_5_0.expected/Linux Fuchsia skips on duplicate.json
+++ b/recipes/engine_2_5_0.expected/Linux Fuchsia skips on duplicate.json
@@ -420,7 +420,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -446,6 +446,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -548,7 +551,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -574,6 +577,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -676,7 +682,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -702,6 +708,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -804,7 +813,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -830,6 +839,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/clobber.json b/recipes/engine_2_5_0.expected/clobber.json
index de2c159..89a2ad3 100644
--- a/recipes/engine_2_5_0.expected/clobber.json
+++ b/recipes/engine_2_5_0.expected/clobber.json
@@ -11214,7 +11214,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11241,6 +11241,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11344,7 +11347,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11371,6 +11374,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11474,7 +11480,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11501,6 +11507,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11604,7 +11613,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11631,6 +11640,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11734,7 +11746,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11761,6 +11773,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14869,7 +14884,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14895,6 +14910,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14999,7 +15017,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15025,6 +15043,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15129,7 +15150,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15155,6 +15176,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15259,7 +15283,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15285,6 +15309,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/experimental.json b/recipes/engine_2_5_0.expected/experimental.json
index 3ab0499..5033a88 100644
--- a/recipes/engine_2_5_0.expected/experimental.json
+++ b/recipes/engine_2_5_0.expected/experimental.json
@@ -11212,7 +11212,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11239,6 +11239,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11340,7 +11343,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11367,6 +11370,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11468,7 +11474,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11495,6 +11501,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11596,7 +11605,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11623,6 +11632,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11724,7 +11736,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11751,6 +11763,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14857,7 +14872,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14883,6 +14898,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14985,7 +15003,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15011,6 +15029,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15113,7 +15134,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15139,6 +15160,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15241,7 +15265,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15267,6 +15291,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/experimental_upload.json b/recipes/engine_2_5_0.expected/experimental_upload.json
index 4a0073c..18c7cf3 100644
--- a/recipes/engine_2_5_0.expected/experimental_upload.json
+++ b/recipes/engine_2_5_0.expected/experimental_upload.json
@@ -12952,7 +12952,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12979,6 +12979,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13080,7 +13083,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13107,6 +13110,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13208,7 +13214,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13235,6 +13241,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13336,7 +13345,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13363,6 +13372,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13464,7 +13476,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13491,6 +13503,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18575,7 +18590,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18601,6 +18616,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18703,7 +18721,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18729,6 +18747,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18831,7 +18852,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18857,6 +18878,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18959,7 +18983,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18985,6 +19009,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/fail_android_aot_sharded_builds.json b/recipes/engine_2_5_0.expected/fail_android_aot_sharded_builds.json
index 4f14ea4..2882bdb 100644
--- a/recipes/engine_2_5_0.expected/fail_android_aot_sharded_builds.json
+++ b/recipes/engine_2_5_0.expected/fail_android_aot_sharded_builds.json
@@ -1881,7 +1881,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -1908,6 +1908,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -2011,7 +2014,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -2038,6 +2041,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -2141,7 +2147,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -2168,6 +2174,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -2271,7 +2280,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -2298,6 +2307,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -2401,7 +2413,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -2428,6 +2440,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/first_bot_update_failed.json b/recipes/engine_2_5_0.expected/first_bot_update_failed.json
index 65e9e92..58d2a63 100644
--- a/recipes/engine_2_5_0.expected/first_bot_update_failed.json
+++ b/recipes/engine_2_5_0.expected/first_bot_update_failed.json
@@ -11371,7 +11371,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11398,6 +11398,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11501,7 +11504,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11528,6 +11531,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11631,7 +11637,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11658,6 +11664,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11761,7 +11770,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11788,6 +11797,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11891,7 +11903,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11918,6 +11930,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15026,7 +15041,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15052,6 +15067,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15156,7 +15174,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15182,6 +15200,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15286,7 +15307,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15312,6 +15333,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15416,7 +15440,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15442,6 +15466,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/gcloud_pubsub_failure.json b/recipes/engine_2_5_0.expected/gcloud_pubsub_failure.json
index 685fe0e..2436ac1 100644
--- a/recipes/engine_2_5_0.expected/gcloud_pubsub_failure.json
+++ b/recipes/engine_2_5_0.expected/gcloud_pubsub_failure.json
@@ -11156,7 +11156,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11183,6 +11183,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11286,7 +11289,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11313,6 +11316,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11416,7 +11422,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11443,6 +11449,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11546,7 +11555,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11573,6 +11582,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11676,7 +11688,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11703,6 +11715,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14811,7 +14826,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14837,6 +14852,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14941,7 +14959,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14967,6 +14985,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15071,7 +15092,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15097,6 +15118,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15201,7 +15225,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15227,6 +15251,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux.json b/recipes/engine_2_5_0.expected/linux.json
index 6a99873..a0a89e0 100644
--- a/recipes/engine_2_5_0.expected/linux.json
+++ b/recipes/engine_2_5_0.expected/linux.json
@@ -11154,7 +11154,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11181,6 +11181,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11282,7 +11285,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11309,6 +11312,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11410,7 +11416,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11437,6 +11443,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11538,7 +11547,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11565,6 +11574,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11666,7 +11678,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11693,6 +11705,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14850,7 +14865,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14876,6 +14891,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14978,7 +14996,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15004,6 +15022,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15106,7 +15127,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15132,6 +15153,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15234,7 +15258,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15260,6 +15284,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_font_subset.json b/recipes/engine_2_5_0.expected/linux_font_subset.json
index 6a99873..a0a89e0 100644
--- a/recipes/engine_2_5_0.expected/linux_font_subset.json
+++ b/recipes/engine_2_5_0.expected/linux_font_subset.json
@@ -11154,7 +11154,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11181,6 +11181,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11282,7 +11285,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11309,6 +11312,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11410,7 +11416,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11437,6 +11443,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11538,7 +11547,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11565,6 +11574,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11666,7 +11678,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11693,6 +11705,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14850,7 +14865,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14876,6 +14891,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14978,7 +14996,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15004,6 +15022,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15106,7 +15127,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15132,6 +15153,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15234,7 +15258,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15260,6 +15284,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_maven.json b/recipes/engine_2_5_0.expected/linux_maven.json
index 6a99873..a0a89e0 100644
--- a/recipes/engine_2_5_0.expected/linux_maven.json
+++ b/recipes/engine_2_5_0.expected/linux_maven.json
@@ -11154,7 +11154,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11181,6 +11181,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11282,7 +11285,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11309,6 +11312,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11410,7 +11416,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11437,6 +11443,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11538,7 +11547,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11565,6 +11574,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11666,7 +11678,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11693,6 +11705,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14850,7 +14865,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14876,6 +14891,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14978,7 +14996,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15004,6 +15022,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15106,7 +15127,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15132,6 +15153,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15234,7 +15258,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15260,6 +15284,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_maven_font_subset.json b/recipes/engine_2_5_0.expected/linux_maven_font_subset.json
index 6a99873..a0a89e0 100644
--- a/recipes/engine_2_5_0.expected/linux_maven_font_subset.json
+++ b/recipes/engine_2_5_0.expected/linux_maven_font_subset.json
@@ -11154,7 +11154,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11181,6 +11181,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11282,7 +11285,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11309,6 +11312,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11410,7 +11416,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11437,6 +11443,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11538,7 +11547,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11565,6 +11574,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11666,7 +11678,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11693,6 +11705,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14850,7 +14865,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14876,6 +14891,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14978,7 +14996,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15004,6 +15022,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15106,7 +15127,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15132,6 +15153,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15234,7 +15258,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15260,6 +15284,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_maven_no_lto.json b/recipes/engine_2_5_0.expected/linux_maven_no_lto.json
index 433cf45..84ac08c 100644
--- a/recipes/engine_2_5_0.expected/linux_maven_no_lto.json
+++ b/recipes/engine_2_5_0.expected/linux_maven_no_lto.json
@@ -11161,7 +11161,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11188,6 +11188,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11289,7 +11292,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11316,6 +11319,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11417,7 +11423,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11444,6 +11450,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11545,7 +11554,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11572,6 +11581,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11673,7 +11685,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11700,6 +11712,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14858,7 +14873,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14884,6 +14899,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14986,7 +15004,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15012,6 +15030,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15114,7 +15135,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15140,6 +15161,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15242,7 +15266,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15268,6 +15292,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_maven_no_lto_font_subset.json b/recipes/engine_2_5_0.expected/linux_maven_no_lto_font_subset.json
index 433cf45..84ac08c 100644
--- a/recipes/engine_2_5_0.expected/linux_maven_no_lto_font_subset.json
+++ b/recipes/engine_2_5_0.expected/linux_maven_no_lto_font_subset.json
@@ -11161,7 +11161,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11188,6 +11188,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11289,7 +11292,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11316,6 +11319,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11417,7 +11423,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11444,6 +11450,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11545,7 +11554,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11572,6 +11581,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11673,7 +11685,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11700,6 +11712,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14858,7 +14873,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14884,6 +14899,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14986,7 +15004,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15012,6 +15030,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15114,7 +15135,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15140,6 +15161,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15242,7 +15266,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15268,6 +15292,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_maven_publish_cipd.json b/recipes/engine_2_5_0.expected/linux_maven_publish_cipd.json
index 6a99873..a0a89e0 100644
--- a/recipes/engine_2_5_0.expected/linux_maven_publish_cipd.json
+++ b/recipes/engine_2_5_0.expected/linux_maven_publish_cipd.json
@@ -11154,7 +11154,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11181,6 +11181,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11282,7 +11285,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11309,6 +11312,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11410,7 +11416,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11437,6 +11443,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11538,7 +11547,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11565,6 +11574,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11666,7 +11678,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11693,6 +11705,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14850,7 +14865,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14876,6 +14891,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14978,7 +14996,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15004,6 +15022,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15106,7 +15127,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15132,6 +15153,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15234,7 +15258,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15260,6 +15284,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_maven_publish_cipd_font_subset.json b/recipes/engine_2_5_0.expected/linux_maven_publish_cipd_font_subset.json
index 6a99873..a0a89e0 100644
--- a/recipes/engine_2_5_0.expected/linux_maven_publish_cipd_font_subset.json
+++ b/recipes/engine_2_5_0.expected/linux_maven_publish_cipd_font_subset.json
@@ -11154,7 +11154,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11181,6 +11181,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11282,7 +11285,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11309,6 +11312,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11410,7 +11416,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11437,6 +11443,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11538,7 +11547,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11565,6 +11574,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11666,7 +11678,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11693,6 +11705,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14850,7 +14865,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14876,6 +14891,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14978,7 +14996,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15004,6 +15022,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15106,7 +15127,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15132,6 +15153,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15234,7 +15258,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15260,6 +15284,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_maven_publish_cipd_no_lto.json b/recipes/engine_2_5_0.expected/linux_maven_publish_cipd_no_lto.json
index 433cf45..84ac08c 100644
--- a/recipes/engine_2_5_0.expected/linux_maven_publish_cipd_no_lto.json
+++ b/recipes/engine_2_5_0.expected/linux_maven_publish_cipd_no_lto.json
@@ -11161,7 +11161,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11188,6 +11188,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11289,7 +11292,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11316,6 +11319,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11417,7 +11423,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11444,6 +11450,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11545,7 +11554,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11572,6 +11581,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11673,7 +11685,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11700,6 +11712,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14858,7 +14873,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14884,6 +14899,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14986,7 +15004,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15012,6 +15030,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15114,7 +15135,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15140,6 +15161,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15242,7 +15266,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15268,6 +15292,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_maven_publish_cipd_no_lto_font_subset.json b/recipes/engine_2_5_0.expected/linux_maven_publish_cipd_no_lto_font_subset.json
index 433cf45..84ac08c 100644
--- a/recipes/engine_2_5_0.expected/linux_maven_publish_cipd_no_lto_font_subset.json
+++ b/recipes/engine_2_5_0.expected/linux_maven_publish_cipd_no_lto_font_subset.json
@@ -11161,7 +11161,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11188,6 +11188,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11289,7 +11292,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11316,6 +11319,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11417,7 +11423,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11444,6 +11450,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11545,7 +11554,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11572,6 +11581,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11673,7 +11685,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11700,6 +11712,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14858,7 +14873,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14884,6 +14899,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14986,7 +15004,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15012,6 +15030,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15114,7 +15135,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15140,6 +15161,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15242,7 +15266,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15268,6 +15292,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_no_lto.json b/recipes/engine_2_5_0.expected/linux_no_lto.json
index 433cf45..84ac08c 100644
--- a/recipes/engine_2_5_0.expected/linux_no_lto.json
+++ b/recipes/engine_2_5_0.expected/linux_no_lto.json
@@ -11161,7 +11161,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11188,6 +11188,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11289,7 +11292,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11316,6 +11319,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11417,7 +11423,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11444,6 +11450,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11545,7 +11554,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11572,6 +11581,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11673,7 +11685,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11700,6 +11712,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14858,7 +14873,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14884,6 +14899,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14986,7 +15004,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15012,6 +15030,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15114,7 +15135,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15140,6 +15161,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15242,7 +15266,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15268,6 +15292,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_no_lto_font_subset.json b/recipes/engine_2_5_0.expected/linux_no_lto_font_subset.json
index 433cf45..84ac08c 100644
--- a/recipes/engine_2_5_0.expected/linux_no_lto_font_subset.json
+++ b/recipes/engine_2_5_0.expected/linux_no_lto_font_subset.json
@@ -11161,7 +11161,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11188,6 +11188,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11289,7 +11292,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11316,6 +11319,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11417,7 +11423,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11444,6 +11450,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11545,7 +11554,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11572,6 +11581,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11673,7 +11685,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11700,6 +11712,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14858,7 +14873,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14884,6 +14899,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14986,7 +15004,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15012,6 +15030,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15114,7 +15135,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15140,6 +15161,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15242,7 +15266,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15268,6 +15292,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_publish_cipd.json b/recipes/engine_2_5_0.expected/linux_publish_cipd.json
index 6a99873..a0a89e0 100644
--- a/recipes/engine_2_5_0.expected/linux_publish_cipd.json
+++ b/recipes/engine_2_5_0.expected/linux_publish_cipd.json
@@ -11154,7 +11154,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11181,6 +11181,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11282,7 +11285,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11309,6 +11312,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11410,7 +11416,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11437,6 +11443,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11538,7 +11547,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11565,6 +11574,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11666,7 +11678,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11693,6 +11705,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14850,7 +14865,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14876,6 +14891,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14978,7 +14996,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15004,6 +15022,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15106,7 +15127,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15132,6 +15153,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15234,7 +15258,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15260,6 +15284,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_publish_cipd_font_subset.json b/recipes/engine_2_5_0.expected/linux_publish_cipd_font_subset.json
index 6a99873..a0a89e0 100644
--- a/recipes/engine_2_5_0.expected/linux_publish_cipd_font_subset.json
+++ b/recipes/engine_2_5_0.expected/linux_publish_cipd_font_subset.json
@@ -11154,7 +11154,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11181,6 +11181,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11282,7 +11285,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11309,6 +11312,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11410,7 +11416,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11437,6 +11443,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11538,7 +11547,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11565,6 +11574,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11666,7 +11678,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11693,6 +11705,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14850,7 +14865,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14876,6 +14891,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14978,7 +14996,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15004,6 +15022,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15106,7 +15127,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15132,6 +15153,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15234,7 +15258,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15260,6 +15284,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_publish_cipd_no_lto.json b/recipes/engine_2_5_0.expected/linux_publish_cipd_no_lto.json
index 433cf45..84ac08c 100644
--- a/recipes/engine_2_5_0.expected/linux_publish_cipd_no_lto.json
+++ b/recipes/engine_2_5_0.expected/linux_publish_cipd_no_lto.json
@@ -11161,7 +11161,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11188,6 +11188,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11289,7 +11292,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11316,6 +11319,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11417,7 +11423,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11444,6 +11450,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11545,7 +11554,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11572,6 +11581,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11673,7 +11685,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11700,6 +11712,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14858,7 +14873,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14884,6 +14899,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14986,7 +15004,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15012,6 +15030,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15114,7 +15135,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15140,6 +15161,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15242,7 +15266,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15268,6 +15292,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_publish_cipd_no_lto_font_subset.json b/recipes/engine_2_5_0.expected/linux_publish_cipd_no_lto_font_subset.json
index 433cf45..84ac08c 100644
--- a/recipes/engine_2_5_0.expected/linux_publish_cipd_no_lto_font_subset.json
+++ b/recipes/engine_2_5_0.expected/linux_publish_cipd_no_lto_font_subset.json
@@ -11161,7 +11161,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11188,6 +11188,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11289,7 +11292,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11316,6 +11319,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11417,7 +11423,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11444,6 +11450,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11545,7 +11554,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11572,6 +11581,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11673,7 +11685,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11700,6 +11712,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14858,7 +14873,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14884,6 +14899,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14986,7 +15004,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15012,6 +15030,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15114,7 +15135,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15140,6 +15161,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15242,7 +15266,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15268,6 +15292,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_upload.json b/recipes/engine_2_5_0.expected/linux_upload.json
index 52b5b2d..7deeb5a 100644
--- a/recipes/engine_2_5_0.expected/linux_upload.json
+++ b/recipes/engine_2_5_0.expected/linux_upload.json
@@ -12843,7 +12843,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12870,6 +12870,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12971,7 +12974,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12998,6 +13001,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13099,7 +13105,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13126,6 +13132,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13227,7 +13236,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13254,6 +13263,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13355,7 +13367,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13382,6 +13394,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18517,7 +18532,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18543,6 +18558,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18645,7 +18663,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18671,6 +18689,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18773,7 +18794,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18799,6 +18820,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18901,7 +18925,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18927,6 +18951,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_upload_font_subset.json b/recipes/engine_2_5_0.expected/linux_upload_font_subset.json
index 45b7aec..3029ac0 100644
--- a/recipes/engine_2_5_0.expected/linux_upload_font_subset.json
+++ b/recipes/engine_2_5_0.expected/linux_upload_font_subset.json
@@ -12894,7 +12894,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12921,6 +12921,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13022,7 +13025,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13049,6 +13052,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13150,7 +13156,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13177,6 +13183,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13278,7 +13287,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13305,6 +13314,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13406,7 +13418,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13433,6 +13445,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18568,7 +18583,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18594,6 +18609,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18696,7 +18714,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18722,6 +18740,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18824,7 +18845,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18850,6 +18871,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18952,7 +18976,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18978,6 +19002,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_upload_maven.json b/recipes/engine_2_5_0.expected/linux_upload_maven.json
index a31b1e6..6fb64bf 100644
--- a/recipes/engine_2_5_0.expected/linux_upload_maven.json
+++ b/recipes/engine_2_5_0.expected/linux_upload_maven.json
@@ -12282,7 +12282,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12309,6 +12309,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12410,7 +12413,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12437,6 +12440,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12538,7 +12544,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12565,6 +12571,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12666,7 +12675,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12693,6 +12702,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12794,7 +12806,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12821,6 +12833,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17020,7 +17035,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17046,6 +17061,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17148,7 +17166,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17174,6 +17192,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17276,7 +17297,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17302,6 +17323,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17404,7 +17428,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17430,6 +17454,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_upload_maven_font_subset.json b/recipes/engine_2_5_0.expected/linux_upload_maven_font_subset.json
index 97e03b1..4397c89 100644
--- a/recipes/engine_2_5_0.expected/linux_upload_maven_font_subset.json
+++ b/recipes/engine_2_5_0.expected/linux_upload_maven_font_subset.json
@@ -12333,7 +12333,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12360,6 +12360,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12461,7 +12464,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12488,6 +12491,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12589,7 +12595,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12616,6 +12622,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12717,7 +12726,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12744,6 +12753,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12845,7 +12857,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12872,6 +12884,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17071,7 +17086,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17097,6 +17112,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17199,7 +17217,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17225,6 +17243,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17327,7 +17348,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17353,6 +17374,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17455,7 +17479,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17481,6 +17505,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_upload_maven_no_lto.json b/recipes/engine_2_5_0.expected/linux_upload_maven_no_lto.json
index a7ad6b0..6ab7282 100644
--- a/recipes/engine_2_5_0.expected/linux_upload_maven_no_lto.json
+++ b/recipes/engine_2_5_0.expected/linux_upload_maven_no_lto.json
@@ -12289,7 +12289,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12316,6 +12316,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12417,7 +12420,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12444,6 +12447,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12545,7 +12551,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12572,6 +12578,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12673,7 +12682,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12700,6 +12709,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12801,7 +12813,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12828,6 +12840,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17028,7 +17043,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17054,6 +17069,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17156,7 +17174,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17182,6 +17200,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17284,7 +17305,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17310,6 +17331,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17412,7 +17436,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17438,6 +17462,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_upload_maven_no_lto_font_subset.json b/recipes/engine_2_5_0.expected/linux_upload_maven_no_lto_font_subset.json
index 2a50f36..e0980d4 100644
--- a/recipes/engine_2_5_0.expected/linux_upload_maven_no_lto_font_subset.json
+++ b/recipes/engine_2_5_0.expected/linux_upload_maven_no_lto_font_subset.json
@@ -12340,7 +12340,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12367,6 +12367,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12468,7 +12471,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12495,6 +12498,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12596,7 +12602,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12623,6 +12629,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12724,7 +12733,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12751,6 +12760,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12852,7 +12864,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12879,6 +12891,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17079,7 +17094,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17105,6 +17120,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17207,7 +17225,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17233,6 +17251,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17335,7 +17356,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17361,6 +17382,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17463,7 +17487,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17489,6 +17513,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_upload_maven_publish_cipd.json b/recipes/engine_2_5_0.expected/linux_upload_maven_publish_cipd.json
index e7e0c5a..014feb4 100644
--- a/recipes/engine_2_5_0.expected/linux_upload_maven_publish_cipd.json
+++ b/recipes/engine_2_5_0.expected/linux_upload_maven_publish_cipd.json
@@ -12282,7 +12282,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12309,6 +12309,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12410,7 +12413,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12437,6 +12440,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12538,7 +12544,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12565,6 +12571,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12666,7 +12675,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12693,6 +12702,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12794,7 +12806,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12821,6 +12833,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17020,7 +17035,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17046,6 +17061,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17148,7 +17166,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17174,6 +17192,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17276,7 +17297,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17302,6 +17323,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17404,7 +17428,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17430,6 +17454,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_upload_maven_publish_cipd_font_subset.json b/recipes/engine_2_5_0.expected/linux_upload_maven_publish_cipd_font_subset.json
index 80a8aa9..e858ba1 100644
--- a/recipes/engine_2_5_0.expected/linux_upload_maven_publish_cipd_font_subset.json
+++ b/recipes/engine_2_5_0.expected/linux_upload_maven_publish_cipd_font_subset.json
@@ -12333,7 +12333,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12360,6 +12360,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12461,7 +12464,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12488,6 +12491,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12589,7 +12595,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12616,6 +12622,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12717,7 +12726,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12744,6 +12753,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12845,7 +12857,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12872,6 +12884,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17071,7 +17086,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17097,6 +17112,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17199,7 +17217,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17225,6 +17243,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17327,7 +17348,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17353,6 +17374,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17455,7 +17479,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17481,6 +17505,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_upload_maven_publish_cipd_no_lto.json b/recipes/engine_2_5_0.expected/linux_upload_maven_publish_cipd_no_lto.json
index 6c7e677..76b2a88 100644
--- a/recipes/engine_2_5_0.expected/linux_upload_maven_publish_cipd_no_lto.json
+++ b/recipes/engine_2_5_0.expected/linux_upload_maven_publish_cipd_no_lto.json
@@ -12289,7 +12289,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12316,6 +12316,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12417,7 +12420,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12444,6 +12447,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12545,7 +12551,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12572,6 +12578,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12673,7 +12682,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12700,6 +12709,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12801,7 +12813,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12828,6 +12840,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17028,7 +17043,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17054,6 +17069,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17156,7 +17174,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17182,6 +17200,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17284,7 +17305,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17310,6 +17331,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17412,7 +17436,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17438,6 +17462,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_upload_maven_publish_cipd_no_lto_font_subset.json b/recipes/engine_2_5_0.expected/linux_upload_maven_publish_cipd_no_lto_font_subset.json
index 7f9b460..95881f7 100644
--- a/recipes/engine_2_5_0.expected/linux_upload_maven_publish_cipd_no_lto_font_subset.json
+++ b/recipes/engine_2_5_0.expected/linux_upload_maven_publish_cipd_no_lto_font_subset.json
@@ -12340,7 +12340,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12367,6 +12367,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12468,7 +12471,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12495,6 +12498,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12596,7 +12602,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12623,6 +12629,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12724,7 +12733,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12751,6 +12760,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12852,7 +12864,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12879,6 +12891,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17079,7 +17094,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17105,6 +17120,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17207,7 +17225,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17233,6 +17251,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17335,7 +17356,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17361,6 +17382,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -17463,7 +17487,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -17489,6 +17513,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_upload_no_lto.json b/recipes/engine_2_5_0.expected/linux_upload_no_lto.json
index 2a16ead..3165099 100644
--- a/recipes/engine_2_5_0.expected/linux_upload_no_lto.json
+++ b/recipes/engine_2_5_0.expected/linux_upload_no_lto.json
@@ -12850,7 +12850,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12877,6 +12877,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12978,7 +12981,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13005,6 +13008,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13106,7 +13112,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13133,6 +13139,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13234,7 +13243,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13261,6 +13270,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13362,7 +13374,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13389,6 +13401,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18525,7 +18540,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18551,6 +18566,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18653,7 +18671,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18679,6 +18697,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18781,7 +18802,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18807,6 +18828,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18909,7 +18933,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18935,6 +18959,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_upload_no_lto_font_subset.json b/recipes/engine_2_5_0.expected/linux_upload_no_lto_font_subset.json
index d592972..1cf8565 100644
--- a/recipes/engine_2_5_0.expected/linux_upload_no_lto_font_subset.json
+++ b/recipes/engine_2_5_0.expected/linux_upload_no_lto_font_subset.json
@@ -12901,7 +12901,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12928,6 +12928,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13029,7 +13032,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13056,6 +13059,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13157,7 +13163,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13184,6 +13190,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13285,7 +13294,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13312,6 +13321,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13413,7 +13425,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13440,6 +13452,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18576,7 +18591,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18602,6 +18617,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18704,7 +18722,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18730,6 +18748,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18832,7 +18853,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18858,6 +18879,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18960,7 +18984,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18986,6 +19010,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_upload_publish_cipd.json b/recipes/engine_2_5_0.expected/linux_upload_publish_cipd.json
index 8b42a66..73428f2 100644
--- a/recipes/engine_2_5_0.expected/linux_upload_publish_cipd.json
+++ b/recipes/engine_2_5_0.expected/linux_upload_publish_cipd.json
@@ -12843,7 +12843,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12870,6 +12870,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12971,7 +12974,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12998,6 +13001,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13099,7 +13105,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13126,6 +13132,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13227,7 +13236,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13254,6 +13263,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13355,7 +13367,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13382,6 +13394,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18517,7 +18532,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18543,6 +18558,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18645,7 +18663,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18671,6 +18689,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18773,7 +18794,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18799,6 +18820,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18901,7 +18925,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18927,6 +18951,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_upload_publish_cipd_font_subset.json b/recipes/engine_2_5_0.expected/linux_upload_publish_cipd_font_subset.json
index f5c2880..4966a6b 100644
--- a/recipes/engine_2_5_0.expected/linux_upload_publish_cipd_font_subset.json
+++ b/recipes/engine_2_5_0.expected/linux_upload_publish_cipd_font_subset.json
@@ -12894,7 +12894,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12921,6 +12921,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13022,7 +13025,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13049,6 +13052,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13150,7 +13156,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13177,6 +13183,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13278,7 +13287,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13305,6 +13314,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13406,7 +13418,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13433,6 +13445,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18568,7 +18583,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18594,6 +18609,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18696,7 +18714,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18722,6 +18740,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18824,7 +18845,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18850,6 +18871,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18952,7 +18976,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18978,6 +19002,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_upload_publish_cipd_no_lto.json b/recipes/engine_2_5_0.expected/linux_upload_publish_cipd_no_lto.json
index 2dd871a..fca055e 100644
--- a/recipes/engine_2_5_0.expected/linux_upload_publish_cipd_no_lto.json
+++ b/recipes/engine_2_5_0.expected/linux_upload_publish_cipd_no_lto.json
@@ -12850,7 +12850,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12877,6 +12877,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12978,7 +12981,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13005,6 +13008,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13106,7 +13112,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13133,6 +13139,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13234,7 +13243,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13261,6 +13270,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13362,7 +13374,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13389,6 +13401,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18525,7 +18540,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18551,6 +18566,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18653,7 +18671,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18679,6 +18697,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18781,7 +18802,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18807,6 +18828,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18909,7 +18933,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18935,6 +18959,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/linux_upload_publish_cipd_no_lto_font_subset.json b/recipes/engine_2_5_0.expected/linux_upload_publish_cipd_no_lto_font_subset.json
index 6274b4c..df5acbd 100644
--- a/recipes/engine_2_5_0.expected/linux_upload_publish_cipd_no_lto_font_subset.json
+++ b/recipes/engine_2_5_0.expected/linux_upload_publish_cipd_no_lto_font_subset.json
@@ -12901,7 +12901,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12928,6 +12928,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13029,7 +13032,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13056,6 +13059,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13157,7 +13163,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13184,6 +13190,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13285,7 +13294,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13312,6 +13321,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13413,7 +13425,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13440,6 +13452,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18576,7 +18591,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18602,6 +18617,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18704,7 +18722,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18730,6 +18748,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18832,7 +18853,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18858,6 +18879,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18960,7 +18984,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18986,6 +19010,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/mac.json b/recipes/engine_2_5_0.expected/mac.json
index 1e27a20..06c0adb 100644
--- a/recipes/engine_2_5_0.expected/mac.json
+++ b/recipes/engine_2_5_0.expected/mac.json
@@ -11954,7 +11954,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11980,6 +11980,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12082,7 +12085,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12108,6 +12111,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12210,7 +12216,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12236,6 +12242,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12338,7 +12347,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12364,6 +12373,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/mac_font_subset.json b/recipes/engine_2_5_0.expected/mac_font_subset.json
index 1e27a20..06c0adb 100644
--- a/recipes/engine_2_5_0.expected/mac_font_subset.json
+++ b/recipes/engine_2_5_0.expected/mac_font_subset.json
@@ -11954,7 +11954,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11980,6 +11980,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12082,7 +12085,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12108,6 +12111,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12210,7 +12216,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12236,6 +12242,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12338,7 +12347,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12364,6 +12373,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/mac_no_lto.json b/recipes/engine_2_5_0.expected/mac_no_lto.json
index fba35b9..792ee3f 100644
--- a/recipes/engine_2_5_0.expected/mac_no_lto.json
+++ b/recipes/engine_2_5_0.expected/mac_no_lto.json
@@ -11967,7 +11967,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11993,6 +11993,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12095,7 +12098,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12121,6 +12124,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12223,7 +12229,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12249,6 +12255,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12351,7 +12360,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12377,6 +12386,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/mac_no_lto_font_subset.json b/recipes/engine_2_5_0.expected/mac_no_lto_font_subset.json
index fba35b9..792ee3f 100644
--- a/recipes/engine_2_5_0.expected/mac_no_lto_font_subset.json
+++ b/recipes/engine_2_5_0.expected/mac_no_lto_font_subset.json
@@ -11967,7 +11967,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11993,6 +11993,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12095,7 +12098,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12121,6 +12124,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12223,7 +12229,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12249,6 +12255,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12351,7 +12360,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12377,6 +12386,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/mac_publish_cipd.json b/recipes/engine_2_5_0.expected/mac_publish_cipd.json
index 1e27a20..06c0adb 100644
--- a/recipes/engine_2_5_0.expected/mac_publish_cipd.json
+++ b/recipes/engine_2_5_0.expected/mac_publish_cipd.json
@@ -11954,7 +11954,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11980,6 +11980,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12082,7 +12085,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12108,6 +12111,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12210,7 +12216,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12236,6 +12242,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12338,7 +12347,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12364,6 +12373,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/mac_publish_cipd_font_subset.json b/recipes/engine_2_5_0.expected/mac_publish_cipd_font_subset.json
index 1e27a20..06c0adb 100644
--- a/recipes/engine_2_5_0.expected/mac_publish_cipd_font_subset.json
+++ b/recipes/engine_2_5_0.expected/mac_publish_cipd_font_subset.json
@@ -11954,7 +11954,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11980,6 +11980,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12082,7 +12085,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12108,6 +12111,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12210,7 +12216,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12236,6 +12242,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12338,7 +12347,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12364,6 +12373,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/mac_publish_cipd_no_lto.json b/recipes/engine_2_5_0.expected/mac_publish_cipd_no_lto.json
index fba35b9..792ee3f 100644
--- a/recipes/engine_2_5_0.expected/mac_publish_cipd_no_lto.json
+++ b/recipes/engine_2_5_0.expected/mac_publish_cipd_no_lto.json
@@ -11967,7 +11967,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11993,6 +11993,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12095,7 +12098,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12121,6 +12124,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12223,7 +12229,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12249,6 +12255,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12351,7 +12360,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12377,6 +12386,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/mac_publish_cipd_no_lto_font_subset.json b/recipes/engine_2_5_0.expected/mac_publish_cipd_no_lto_font_subset.json
index fba35b9..792ee3f 100644
--- a/recipes/engine_2_5_0.expected/mac_publish_cipd_no_lto_font_subset.json
+++ b/recipes/engine_2_5_0.expected/mac_publish_cipd_no_lto_font_subset.json
@@ -11967,7 +11967,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11993,6 +11993,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12095,7 +12098,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12121,6 +12124,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12223,7 +12229,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12249,6 +12255,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12351,7 +12360,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12377,6 +12386,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/mac_upload.json b/recipes/engine_2_5_0.expected/mac_upload.json
index 114f20e..35973cc 100644
--- a/recipes/engine_2_5_0.expected/mac_upload.json
+++ b/recipes/engine_2_5_0.expected/mac_upload.json
@@ -13141,7 +13141,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13167,6 +13167,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13269,7 +13272,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13295,6 +13298,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13397,7 +13403,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13423,6 +13429,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13525,7 +13534,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13551,6 +13560,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/mac_upload_font_subset.json b/recipes/engine_2_5_0.expected/mac_upload_font_subset.json
index 14257cf..d16bd70 100644
--- a/recipes/engine_2_5_0.expected/mac_upload_font_subset.json
+++ b/recipes/engine_2_5_0.expected/mac_upload_font_subset.json
@@ -13192,7 +13192,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13218,6 +13218,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13320,7 +13323,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13346,6 +13349,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13448,7 +13454,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13474,6 +13480,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13576,7 +13585,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13602,6 +13611,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/mac_upload_no_lto.json b/recipes/engine_2_5_0.expected/mac_upload_no_lto.json
index 3c27bbd..9ab78a3 100644
--- a/recipes/engine_2_5_0.expected/mac_upload_no_lto.json
+++ b/recipes/engine_2_5_0.expected/mac_upload_no_lto.json
@@ -13154,7 +13154,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13180,6 +13180,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13282,7 +13285,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13308,6 +13311,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13410,7 +13416,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13436,6 +13442,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13538,7 +13547,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13564,6 +13573,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/mac_upload_no_lto_font_subset.json b/recipes/engine_2_5_0.expected/mac_upload_no_lto_font_subset.json
index beca8fb..10406f5 100644
--- a/recipes/engine_2_5_0.expected/mac_upload_no_lto_font_subset.json
+++ b/recipes/engine_2_5_0.expected/mac_upload_no_lto_font_subset.json
@@ -13205,7 +13205,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13231,6 +13231,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13333,7 +13336,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13359,6 +13362,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13461,7 +13467,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13487,6 +13493,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13589,7 +13598,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13615,6 +13624,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/mac_upload_publish_cipd.json b/recipes/engine_2_5_0.expected/mac_upload_publish_cipd.json
index 114f20e..35973cc 100644
--- a/recipes/engine_2_5_0.expected/mac_upload_publish_cipd.json
+++ b/recipes/engine_2_5_0.expected/mac_upload_publish_cipd.json
@@ -13141,7 +13141,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13167,6 +13167,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13269,7 +13272,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13295,6 +13298,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13397,7 +13403,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13423,6 +13429,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13525,7 +13534,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13551,6 +13560,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/mac_upload_publish_cipd_font_subset.json b/recipes/engine_2_5_0.expected/mac_upload_publish_cipd_font_subset.json
index 14257cf..d16bd70 100644
--- a/recipes/engine_2_5_0.expected/mac_upload_publish_cipd_font_subset.json
+++ b/recipes/engine_2_5_0.expected/mac_upload_publish_cipd_font_subset.json
@@ -13192,7 +13192,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13218,6 +13218,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13320,7 +13323,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13346,6 +13349,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13448,7 +13454,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13474,6 +13480,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13576,7 +13585,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13602,6 +13611,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/mac_upload_publish_cipd_no_lto.json b/recipes/engine_2_5_0.expected/mac_upload_publish_cipd_no_lto.json
index 3c27bbd..9ab78a3 100644
--- a/recipes/engine_2_5_0.expected/mac_upload_publish_cipd_no_lto.json
+++ b/recipes/engine_2_5_0.expected/mac_upload_publish_cipd_no_lto.json
@@ -13154,7 +13154,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13180,6 +13180,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13282,7 +13285,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13308,6 +13311,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13410,7 +13416,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13436,6 +13442,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13538,7 +13547,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13564,6 +13573,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/mac_upload_publish_cipd_no_lto_font_subset.json b/recipes/engine_2_5_0.expected/mac_upload_publish_cipd_no_lto_font_subset.json
index beca8fb..10406f5 100644
--- a/recipes/engine_2_5_0.expected/mac_upload_publish_cipd_no_lto_font_subset.json
+++ b/recipes/engine_2_5_0.expected/mac_upload_publish_cipd_no_lto_font_subset.json
@@ -13205,7 +13205,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13231,6 +13231,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13333,7 +13336,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13359,6 +13362,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13461,7 +13467,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13487,6 +13493,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13589,7 +13598,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13615,6 +13624,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.expected/pull_request.json b/recipes/engine_2_5_0.expected/pull_request.json
index 4815ac7..2369bf8 100644
--- a/recipes/engine_2_5_0.expected/pull_request.json
+++ b/recipes/engine_2_5_0.expected/pull_request.json
@@ -11156,7 +11156,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11183,6 +11183,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11286,7 +11289,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11313,6 +11316,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11416,7 +11422,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11443,6 +11449,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11546,7 +11555,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11573,6 +11582,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11676,7 +11688,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11703,6 +11715,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14811,7 +14826,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14837,6 +14852,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14941,7 +14959,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14967,6 +14985,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15071,7 +15092,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15097,6 +15118,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -15201,7 +15225,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -15227,6 +15251,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_5_0.py b/recipes/engine_2_5_0.py
index 5a55576..9c4b90e 100644
--- a/recipes/engine_2_5_0.py
+++ b/recipes/engine_2_5_0.py
@@ -140,7 +140,8 @@
       # Increasing priority won't fix the problem but will make the deadlock
       # situation less unlikely.
       # https://github.com/flutter/flutter/issues/59169.
-      priority=25
+      priority=25,
+      exe_cipd_version=api.properties.get('exe_cipd_version', 'refs/heads/main')
   )
   return api.buildbucket.schedule([req])
 
diff --git a/recipes/engine_2_8_0.expected/Linux Fuchsia failing test.json b/recipes/engine_2_8_0.expected/Linux Fuchsia failing test.json
index 52b7274..3cd6792 100644
--- a/recipes/engine_2_8_0.expected/Linux Fuchsia failing test.json
+++ b/recipes/engine_2_8_0.expected/Linux Fuchsia failing test.json
@@ -1778,7 +1778,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -1804,6 +1804,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -1906,7 +1909,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -1932,6 +1935,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -2034,7 +2040,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -2060,6 +2066,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -2162,7 +2171,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -2188,6 +2197,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/Linux Fuchsia skips on duplicate.json b/recipes/engine_2_8_0.expected/Linux Fuchsia skips on duplicate.json
index 8741425..5a771b2 100644
--- a/recipes/engine_2_8_0.expected/Linux Fuchsia skips on duplicate.json
+++ b/recipes/engine_2_8_0.expected/Linux Fuchsia skips on duplicate.json
@@ -420,7 +420,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -446,6 +446,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -548,7 +551,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -574,6 +577,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -676,7 +682,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -702,6 +708,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -804,7 +813,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -830,6 +839,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/clobber.json b/recipes/engine_2_8_0.expected/clobber.json
index d8ac501..24ca619 100644
--- a/recipes/engine_2_8_0.expected/clobber.json
+++ b/recipes/engine_2_8_0.expected/clobber.json
@@ -10724,7 +10724,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10751,6 +10751,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10854,7 +10857,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10881,6 +10884,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10984,7 +10990,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11011,6 +11017,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11114,7 +11123,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11141,6 +11150,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11244,7 +11256,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11271,6 +11283,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14379,7 +14394,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14405,6 +14420,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14509,7 +14527,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14535,6 +14553,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14639,7 +14660,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14665,6 +14686,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14769,7 +14793,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14795,6 +14819,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/experimental.json b/recipes/engine_2_8_0.expected/experimental.json
index f8bf43d..4d20d05 100644
--- a/recipes/engine_2_8_0.expected/experimental.json
+++ b/recipes/engine_2_8_0.expected/experimental.json
@@ -10722,7 +10722,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10749,6 +10749,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10850,7 +10853,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10877,6 +10880,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10978,7 +10984,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11005,6 +11011,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11106,7 +11115,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11133,6 +11142,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11234,7 +11246,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11261,6 +11273,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14367,7 +14382,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14393,6 +14408,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14495,7 +14513,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14521,6 +14539,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14623,7 +14644,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14649,6 +14670,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14751,7 +14775,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14777,6 +14801,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/experimental_upload.json b/recipes/engine_2_8_0.expected/experimental_upload.json
index 9bd10d3..1c56c70 100644
--- a/recipes/engine_2_8_0.expected/experimental_upload.json
+++ b/recipes/engine_2_8_0.expected/experimental_upload.json
@@ -12462,7 +12462,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12489,6 +12489,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12590,7 +12593,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12617,6 +12620,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12718,7 +12724,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12745,6 +12751,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12846,7 +12855,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12873,6 +12882,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12974,7 +12986,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -13001,6 +13013,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18085,7 +18100,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18111,6 +18126,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18213,7 +18231,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18239,6 +18257,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18341,7 +18362,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18367,6 +18388,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18469,7 +18493,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18495,6 +18519,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/fail_android_aot_sharded_builds.json b/recipes/engine_2_8_0.expected/fail_android_aot_sharded_builds.json
index 3934349..b45f23b 100644
--- a/recipes/engine_2_8_0.expected/fail_android_aot_sharded_builds.json
+++ b/recipes/engine_2_8_0.expected/fail_android_aot_sharded_builds.json
@@ -1881,7 +1881,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -1908,6 +1908,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -2011,7 +2014,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -2038,6 +2041,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -2141,7 +2147,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -2168,6 +2174,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -2271,7 +2280,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -2298,6 +2307,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -2401,7 +2413,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -2428,6 +2440,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/first_bot_update_failed.json b/recipes/engine_2_8_0.expected/first_bot_update_failed.json
index e3d226c..90d1c12 100644
--- a/recipes/engine_2_8_0.expected/first_bot_update_failed.json
+++ b/recipes/engine_2_8_0.expected/first_bot_update_failed.json
@@ -10881,7 +10881,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10908,6 +10908,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11011,7 +11014,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11038,6 +11041,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11141,7 +11147,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11168,6 +11174,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11271,7 +11280,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11298,6 +11307,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11401,7 +11413,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11428,6 +11440,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14536,7 +14551,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14562,6 +14577,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14666,7 +14684,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14692,6 +14710,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14796,7 +14817,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14822,6 +14843,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14926,7 +14950,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14952,6 +14976,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/gcloud_pubsub_failure.json b/recipes/engine_2_8_0.expected/gcloud_pubsub_failure.json
index 6bf85f8..ab34310 100644
--- a/recipes/engine_2_8_0.expected/gcloud_pubsub_failure.json
+++ b/recipes/engine_2_8_0.expected/gcloud_pubsub_failure.json
@@ -10666,7 +10666,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10693,6 +10693,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10796,7 +10799,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10823,6 +10826,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10926,7 +10932,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10953,6 +10959,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11056,7 +11065,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11083,6 +11092,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11186,7 +11198,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11213,6 +11225,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14321,7 +14336,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14347,6 +14362,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14451,7 +14469,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14477,6 +14495,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14581,7 +14602,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14607,6 +14628,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14711,7 +14735,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14737,6 +14761,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux.json b/recipes/engine_2_8_0.expected/linux.json
index 2f8c489..97cc413 100644
--- a/recipes/engine_2_8_0.expected/linux.json
+++ b/recipes/engine_2_8_0.expected/linux.json
@@ -10664,7 +10664,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10691,6 +10691,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10792,7 +10795,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10819,6 +10822,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10920,7 +10926,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10947,6 +10953,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11048,7 +11057,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11075,6 +11084,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11176,7 +11188,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11203,6 +11215,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14360,7 +14375,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14386,6 +14401,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14488,7 +14506,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14514,6 +14532,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14616,7 +14637,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14642,6 +14663,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14744,7 +14768,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14770,6 +14794,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_font_subset.json b/recipes/engine_2_8_0.expected/linux_font_subset.json
index 2f8c489..97cc413 100644
--- a/recipes/engine_2_8_0.expected/linux_font_subset.json
+++ b/recipes/engine_2_8_0.expected/linux_font_subset.json
@@ -10664,7 +10664,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10691,6 +10691,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10792,7 +10795,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10819,6 +10822,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10920,7 +10926,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10947,6 +10953,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11048,7 +11057,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11075,6 +11084,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11176,7 +11188,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11203,6 +11215,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14360,7 +14375,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14386,6 +14401,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14488,7 +14506,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14514,6 +14532,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14616,7 +14637,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14642,6 +14663,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14744,7 +14768,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14770,6 +14794,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_maven.json b/recipes/engine_2_8_0.expected/linux_maven.json
index 2f8c489..97cc413 100644
--- a/recipes/engine_2_8_0.expected/linux_maven.json
+++ b/recipes/engine_2_8_0.expected/linux_maven.json
@@ -10664,7 +10664,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10691,6 +10691,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10792,7 +10795,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10819,6 +10822,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10920,7 +10926,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10947,6 +10953,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11048,7 +11057,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11075,6 +11084,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11176,7 +11188,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11203,6 +11215,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14360,7 +14375,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14386,6 +14401,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14488,7 +14506,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14514,6 +14532,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14616,7 +14637,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14642,6 +14663,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14744,7 +14768,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14770,6 +14794,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_maven_font_subset.json b/recipes/engine_2_8_0.expected/linux_maven_font_subset.json
index 2f8c489..97cc413 100644
--- a/recipes/engine_2_8_0.expected/linux_maven_font_subset.json
+++ b/recipes/engine_2_8_0.expected/linux_maven_font_subset.json
@@ -10664,7 +10664,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10691,6 +10691,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10792,7 +10795,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10819,6 +10822,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10920,7 +10926,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10947,6 +10953,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11048,7 +11057,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11075,6 +11084,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11176,7 +11188,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11203,6 +11215,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14360,7 +14375,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14386,6 +14401,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14488,7 +14506,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14514,6 +14532,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14616,7 +14637,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14642,6 +14663,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14744,7 +14768,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14770,6 +14794,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_maven_no_lto.json b/recipes/engine_2_8_0.expected/linux_maven_no_lto.json
index b203485..260028c 100644
--- a/recipes/engine_2_8_0.expected/linux_maven_no_lto.json
+++ b/recipes/engine_2_8_0.expected/linux_maven_no_lto.json
@@ -10670,7 +10670,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10697,6 +10697,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10798,7 +10801,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10825,6 +10828,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10926,7 +10932,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10953,6 +10959,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11054,7 +11063,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11081,6 +11090,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11182,7 +11194,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11209,6 +11221,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14367,7 +14382,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14393,6 +14408,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14495,7 +14513,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14521,6 +14539,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14623,7 +14644,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14649,6 +14670,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14751,7 +14775,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14777,6 +14801,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_maven_no_lto_font_subset.json b/recipes/engine_2_8_0.expected/linux_maven_no_lto_font_subset.json
index b203485..260028c 100644
--- a/recipes/engine_2_8_0.expected/linux_maven_no_lto_font_subset.json
+++ b/recipes/engine_2_8_0.expected/linux_maven_no_lto_font_subset.json
@@ -10670,7 +10670,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10697,6 +10697,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10798,7 +10801,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10825,6 +10828,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10926,7 +10932,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10953,6 +10959,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11054,7 +11063,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11081,6 +11090,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11182,7 +11194,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11209,6 +11221,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14367,7 +14382,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14393,6 +14408,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14495,7 +14513,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14521,6 +14539,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14623,7 +14644,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14649,6 +14670,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14751,7 +14775,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14777,6 +14801,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_maven_publish_cipd.json b/recipes/engine_2_8_0.expected/linux_maven_publish_cipd.json
index 2f8c489..97cc413 100644
--- a/recipes/engine_2_8_0.expected/linux_maven_publish_cipd.json
+++ b/recipes/engine_2_8_0.expected/linux_maven_publish_cipd.json
@@ -10664,7 +10664,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10691,6 +10691,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10792,7 +10795,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10819,6 +10822,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10920,7 +10926,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10947,6 +10953,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11048,7 +11057,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11075,6 +11084,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11176,7 +11188,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11203,6 +11215,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14360,7 +14375,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14386,6 +14401,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14488,7 +14506,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14514,6 +14532,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14616,7 +14637,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14642,6 +14663,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14744,7 +14768,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14770,6 +14794,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_maven_publish_cipd_font_subset.json b/recipes/engine_2_8_0.expected/linux_maven_publish_cipd_font_subset.json
index 2f8c489..97cc413 100644
--- a/recipes/engine_2_8_0.expected/linux_maven_publish_cipd_font_subset.json
+++ b/recipes/engine_2_8_0.expected/linux_maven_publish_cipd_font_subset.json
@@ -10664,7 +10664,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10691,6 +10691,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10792,7 +10795,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10819,6 +10822,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10920,7 +10926,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10947,6 +10953,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11048,7 +11057,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11075,6 +11084,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11176,7 +11188,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11203,6 +11215,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14360,7 +14375,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14386,6 +14401,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14488,7 +14506,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14514,6 +14532,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14616,7 +14637,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14642,6 +14663,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14744,7 +14768,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14770,6 +14794,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_maven_publish_cipd_no_lto.json b/recipes/engine_2_8_0.expected/linux_maven_publish_cipd_no_lto.json
index b203485..260028c 100644
--- a/recipes/engine_2_8_0.expected/linux_maven_publish_cipd_no_lto.json
+++ b/recipes/engine_2_8_0.expected/linux_maven_publish_cipd_no_lto.json
@@ -10670,7 +10670,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10697,6 +10697,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10798,7 +10801,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10825,6 +10828,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10926,7 +10932,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10953,6 +10959,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11054,7 +11063,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11081,6 +11090,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11182,7 +11194,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11209,6 +11221,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14367,7 +14382,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14393,6 +14408,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14495,7 +14513,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14521,6 +14539,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14623,7 +14644,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14649,6 +14670,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14751,7 +14775,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14777,6 +14801,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_maven_publish_cipd_no_lto_font_subset.json b/recipes/engine_2_8_0.expected/linux_maven_publish_cipd_no_lto_font_subset.json
index b203485..260028c 100644
--- a/recipes/engine_2_8_0.expected/linux_maven_publish_cipd_no_lto_font_subset.json
+++ b/recipes/engine_2_8_0.expected/linux_maven_publish_cipd_no_lto_font_subset.json
@@ -10670,7 +10670,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10697,6 +10697,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10798,7 +10801,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10825,6 +10828,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10926,7 +10932,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10953,6 +10959,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11054,7 +11063,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11081,6 +11090,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11182,7 +11194,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11209,6 +11221,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14367,7 +14382,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14393,6 +14408,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14495,7 +14513,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14521,6 +14539,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14623,7 +14644,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14649,6 +14670,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14751,7 +14775,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14777,6 +14801,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_no_lto.json b/recipes/engine_2_8_0.expected/linux_no_lto.json
index b203485..260028c 100644
--- a/recipes/engine_2_8_0.expected/linux_no_lto.json
+++ b/recipes/engine_2_8_0.expected/linux_no_lto.json
@@ -10670,7 +10670,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10697,6 +10697,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10798,7 +10801,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10825,6 +10828,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10926,7 +10932,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10953,6 +10959,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11054,7 +11063,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11081,6 +11090,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11182,7 +11194,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11209,6 +11221,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14367,7 +14382,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14393,6 +14408,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14495,7 +14513,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14521,6 +14539,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14623,7 +14644,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14649,6 +14670,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14751,7 +14775,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14777,6 +14801,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_no_lto_font_subset.json b/recipes/engine_2_8_0.expected/linux_no_lto_font_subset.json
index b203485..260028c 100644
--- a/recipes/engine_2_8_0.expected/linux_no_lto_font_subset.json
+++ b/recipes/engine_2_8_0.expected/linux_no_lto_font_subset.json
@@ -10670,7 +10670,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10697,6 +10697,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10798,7 +10801,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10825,6 +10828,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10926,7 +10932,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10953,6 +10959,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11054,7 +11063,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11081,6 +11090,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11182,7 +11194,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11209,6 +11221,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14367,7 +14382,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14393,6 +14408,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14495,7 +14513,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14521,6 +14539,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14623,7 +14644,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14649,6 +14670,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14751,7 +14775,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14777,6 +14801,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_publish_cipd.json b/recipes/engine_2_8_0.expected/linux_publish_cipd.json
index 2f8c489..97cc413 100644
--- a/recipes/engine_2_8_0.expected/linux_publish_cipd.json
+++ b/recipes/engine_2_8_0.expected/linux_publish_cipd.json
@@ -10664,7 +10664,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10691,6 +10691,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10792,7 +10795,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10819,6 +10822,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10920,7 +10926,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10947,6 +10953,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11048,7 +11057,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11075,6 +11084,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11176,7 +11188,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11203,6 +11215,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14360,7 +14375,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14386,6 +14401,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14488,7 +14506,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14514,6 +14532,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14616,7 +14637,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14642,6 +14663,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14744,7 +14768,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14770,6 +14794,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_publish_cipd_font_subset.json b/recipes/engine_2_8_0.expected/linux_publish_cipd_font_subset.json
index 2f8c489..97cc413 100644
--- a/recipes/engine_2_8_0.expected/linux_publish_cipd_font_subset.json
+++ b/recipes/engine_2_8_0.expected/linux_publish_cipd_font_subset.json
@@ -10664,7 +10664,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10691,6 +10691,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10792,7 +10795,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10819,6 +10822,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10920,7 +10926,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10947,6 +10953,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11048,7 +11057,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11075,6 +11084,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11176,7 +11188,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11203,6 +11215,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14360,7 +14375,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14386,6 +14401,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14488,7 +14506,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14514,6 +14532,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14616,7 +14637,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14642,6 +14663,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14744,7 +14768,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14770,6 +14794,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_publish_cipd_no_lto.json b/recipes/engine_2_8_0.expected/linux_publish_cipd_no_lto.json
index b203485..260028c 100644
--- a/recipes/engine_2_8_0.expected/linux_publish_cipd_no_lto.json
+++ b/recipes/engine_2_8_0.expected/linux_publish_cipd_no_lto.json
@@ -10670,7 +10670,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10697,6 +10697,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10798,7 +10801,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10825,6 +10828,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10926,7 +10932,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10953,6 +10959,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11054,7 +11063,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11081,6 +11090,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11182,7 +11194,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11209,6 +11221,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14367,7 +14382,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14393,6 +14408,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14495,7 +14513,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14521,6 +14539,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14623,7 +14644,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14649,6 +14670,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14751,7 +14775,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14777,6 +14801,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_publish_cipd_no_lto_font_subset.json b/recipes/engine_2_8_0.expected/linux_publish_cipd_no_lto_font_subset.json
index b203485..260028c 100644
--- a/recipes/engine_2_8_0.expected/linux_publish_cipd_no_lto_font_subset.json
+++ b/recipes/engine_2_8_0.expected/linux_publish_cipd_no_lto_font_subset.json
@@ -10670,7 +10670,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10697,6 +10697,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10798,7 +10801,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10825,6 +10828,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10926,7 +10932,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10953,6 +10959,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11054,7 +11063,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11081,6 +11090,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11182,7 +11194,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11209,6 +11221,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14367,7 +14382,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14393,6 +14408,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14495,7 +14513,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14521,6 +14539,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14623,7 +14644,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14649,6 +14670,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14751,7 +14775,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14777,6 +14801,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_upload.json b/recipes/engine_2_8_0.expected/linux_upload.json
index 0c34dea..a0d222d 100644
--- a/recipes/engine_2_8_0.expected/linux_upload.json
+++ b/recipes/engine_2_8_0.expected/linux_upload.json
@@ -12353,7 +12353,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12380,6 +12380,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12481,7 +12484,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12508,6 +12511,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12609,7 +12615,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12636,6 +12642,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12737,7 +12746,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12764,6 +12773,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12865,7 +12877,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12892,6 +12904,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18027,7 +18042,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18053,6 +18068,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18155,7 +18173,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18181,6 +18199,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18283,7 +18304,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18309,6 +18330,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18411,7 +18435,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18437,6 +18461,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_upload_font_subset.json b/recipes/engine_2_8_0.expected/linux_upload_font_subset.json
index 37f013c..b182914 100644
--- a/recipes/engine_2_8_0.expected/linux_upload_font_subset.json
+++ b/recipes/engine_2_8_0.expected/linux_upload_font_subset.json
@@ -12404,7 +12404,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12431,6 +12431,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12532,7 +12535,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12559,6 +12562,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12660,7 +12666,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12687,6 +12693,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12788,7 +12797,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12815,6 +12824,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12916,7 +12928,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12943,6 +12955,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18078,7 +18093,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18104,6 +18119,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18206,7 +18224,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18232,6 +18250,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18334,7 +18355,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18360,6 +18381,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18462,7 +18486,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18488,6 +18512,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_upload_maven.json b/recipes/engine_2_8_0.expected/linux_upload_maven.json
index 3f40894..8764874 100644
--- a/recipes/engine_2_8_0.expected/linux_upload_maven.json
+++ b/recipes/engine_2_8_0.expected/linux_upload_maven.json
@@ -11792,7 +11792,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11819,6 +11819,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11920,7 +11923,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11947,6 +11950,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12048,7 +12054,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12075,6 +12081,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12176,7 +12185,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12203,6 +12212,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12304,7 +12316,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12331,6 +12343,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16530,7 +16545,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16556,6 +16571,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16658,7 +16676,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16684,6 +16702,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16786,7 +16807,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16812,6 +16833,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16914,7 +16938,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16940,6 +16964,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_upload_maven_font_subset.json b/recipes/engine_2_8_0.expected/linux_upload_maven_font_subset.json
index 4c01b8f..e5928fc 100644
--- a/recipes/engine_2_8_0.expected/linux_upload_maven_font_subset.json
+++ b/recipes/engine_2_8_0.expected/linux_upload_maven_font_subset.json
@@ -11843,7 +11843,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11870,6 +11870,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11971,7 +11974,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11998,6 +12001,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12099,7 +12105,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12126,6 +12132,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12227,7 +12236,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12254,6 +12263,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12355,7 +12367,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12382,6 +12394,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16581,7 +16596,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16607,6 +16622,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16709,7 +16727,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16735,6 +16753,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16837,7 +16858,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16863,6 +16884,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16965,7 +16989,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16991,6 +17015,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_upload_maven_no_lto.json b/recipes/engine_2_8_0.expected/linux_upload_maven_no_lto.json
index e473743..a9ae266 100644
--- a/recipes/engine_2_8_0.expected/linux_upload_maven_no_lto.json
+++ b/recipes/engine_2_8_0.expected/linux_upload_maven_no_lto.json
@@ -11798,7 +11798,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11825,6 +11825,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11926,7 +11929,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11953,6 +11956,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12054,7 +12060,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12081,6 +12087,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12182,7 +12191,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12209,6 +12218,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12310,7 +12322,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12337,6 +12349,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16537,7 +16552,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16563,6 +16578,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16665,7 +16683,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16691,6 +16709,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16793,7 +16814,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16819,6 +16840,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16921,7 +16945,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16947,6 +16971,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_upload_maven_no_lto_font_subset.json b/recipes/engine_2_8_0.expected/linux_upload_maven_no_lto_font_subset.json
index 7a49e09..7ec4da9 100644
--- a/recipes/engine_2_8_0.expected/linux_upload_maven_no_lto_font_subset.json
+++ b/recipes/engine_2_8_0.expected/linux_upload_maven_no_lto_font_subset.json
@@ -11849,7 +11849,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11876,6 +11876,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11977,7 +11980,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12004,6 +12007,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12105,7 +12111,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12132,6 +12138,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12233,7 +12242,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12260,6 +12269,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12361,7 +12373,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12388,6 +12400,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16588,7 +16603,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16614,6 +16629,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16716,7 +16734,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16742,6 +16760,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16844,7 +16865,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16870,6 +16891,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16972,7 +16996,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16998,6 +17022,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_upload_maven_publish_cipd.json b/recipes/engine_2_8_0.expected/linux_upload_maven_publish_cipd.json
index b6943ae..5be070a 100644
--- a/recipes/engine_2_8_0.expected/linux_upload_maven_publish_cipd.json
+++ b/recipes/engine_2_8_0.expected/linux_upload_maven_publish_cipd.json
@@ -11792,7 +11792,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11819,6 +11819,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11920,7 +11923,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11947,6 +11950,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12048,7 +12054,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12075,6 +12081,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12176,7 +12185,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12203,6 +12212,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12304,7 +12316,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12331,6 +12343,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16530,7 +16545,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16556,6 +16571,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16658,7 +16676,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16684,6 +16702,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16786,7 +16807,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16812,6 +16833,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16914,7 +16938,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16940,6 +16964,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_upload_maven_publish_cipd_font_subset.json b/recipes/engine_2_8_0.expected/linux_upload_maven_publish_cipd_font_subset.json
index 11d8055..0ad132f 100644
--- a/recipes/engine_2_8_0.expected/linux_upload_maven_publish_cipd_font_subset.json
+++ b/recipes/engine_2_8_0.expected/linux_upload_maven_publish_cipd_font_subset.json
@@ -11843,7 +11843,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11870,6 +11870,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11971,7 +11974,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11998,6 +12001,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12099,7 +12105,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12126,6 +12132,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12227,7 +12236,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12254,6 +12263,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12355,7 +12367,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12382,6 +12394,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16581,7 +16596,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16607,6 +16622,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16709,7 +16727,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16735,6 +16753,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16837,7 +16858,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16863,6 +16884,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16965,7 +16989,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16991,6 +17015,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_upload_maven_publish_cipd_no_lto.json b/recipes/engine_2_8_0.expected/linux_upload_maven_publish_cipd_no_lto.json
index 694759c..897dc94 100644
--- a/recipes/engine_2_8_0.expected/linux_upload_maven_publish_cipd_no_lto.json
+++ b/recipes/engine_2_8_0.expected/linux_upload_maven_publish_cipd_no_lto.json
@@ -11798,7 +11798,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11825,6 +11825,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11926,7 +11929,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11953,6 +11956,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12054,7 +12060,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12081,6 +12087,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12182,7 +12191,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12209,6 +12218,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12310,7 +12322,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12337,6 +12349,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16537,7 +16552,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16563,6 +16578,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16665,7 +16683,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16691,6 +16709,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16793,7 +16814,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16819,6 +16840,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16921,7 +16945,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16947,6 +16971,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_upload_maven_publish_cipd_no_lto_font_subset.json b/recipes/engine_2_8_0.expected/linux_upload_maven_publish_cipd_no_lto_font_subset.json
index 923c33a..02e540f 100644
--- a/recipes/engine_2_8_0.expected/linux_upload_maven_publish_cipd_no_lto_font_subset.json
+++ b/recipes/engine_2_8_0.expected/linux_upload_maven_publish_cipd_no_lto_font_subset.json
@@ -11849,7 +11849,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11876,6 +11876,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11977,7 +11980,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12004,6 +12007,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12105,7 +12111,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12132,6 +12138,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12233,7 +12242,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12260,6 +12269,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12361,7 +12373,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12388,6 +12400,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16588,7 +16603,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16614,6 +16629,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16716,7 +16734,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16742,6 +16760,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16844,7 +16865,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16870,6 +16891,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -16972,7 +16996,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -16998,6 +17022,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_upload_no_lto.json b/recipes/engine_2_8_0.expected/linux_upload_no_lto.json
index 6ea4b34..199975a 100644
--- a/recipes/engine_2_8_0.expected/linux_upload_no_lto.json
+++ b/recipes/engine_2_8_0.expected/linux_upload_no_lto.json
@@ -12359,7 +12359,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12386,6 +12386,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12487,7 +12490,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12514,6 +12517,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12615,7 +12621,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12642,6 +12648,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12743,7 +12752,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12770,6 +12779,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12871,7 +12883,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12898,6 +12910,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18034,7 +18049,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18060,6 +18075,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18162,7 +18180,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18188,6 +18206,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18290,7 +18311,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18316,6 +18337,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18418,7 +18442,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18444,6 +18468,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_upload_no_lto_font_subset.json b/recipes/engine_2_8_0.expected/linux_upload_no_lto_font_subset.json
index 26dc02c..52faab5 100644
--- a/recipes/engine_2_8_0.expected/linux_upload_no_lto_font_subset.json
+++ b/recipes/engine_2_8_0.expected/linux_upload_no_lto_font_subset.json
@@ -12410,7 +12410,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12437,6 +12437,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12538,7 +12541,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12565,6 +12568,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12666,7 +12672,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12693,6 +12699,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12794,7 +12803,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12821,6 +12830,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12922,7 +12934,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12949,6 +12961,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18085,7 +18100,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18111,6 +18126,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18213,7 +18231,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18239,6 +18257,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18341,7 +18362,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18367,6 +18388,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18469,7 +18493,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18495,6 +18519,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_upload_publish_cipd.json b/recipes/engine_2_8_0.expected/linux_upload_publish_cipd.json
index eaaba27..b8b41fa 100644
--- a/recipes/engine_2_8_0.expected/linux_upload_publish_cipd.json
+++ b/recipes/engine_2_8_0.expected/linux_upload_publish_cipd.json
@@ -12353,7 +12353,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12380,6 +12380,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12481,7 +12484,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12508,6 +12511,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12609,7 +12615,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12636,6 +12642,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12737,7 +12746,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12764,6 +12773,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12865,7 +12877,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12892,6 +12904,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18027,7 +18042,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18053,6 +18068,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18155,7 +18173,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18181,6 +18199,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18283,7 +18304,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18309,6 +18330,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18411,7 +18435,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18437,6 +18461,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_upload_publish_cipd_font_subset.json b/recipes/engine_2_8_0.expected/linux_upload_publish_cipd_font_subset.json
index 5f56748..aa94e82 100644
--- a/recipes/engine_2_8_0.expected/linux_upload_publish_cipd_font_subset.json
+++ b/recipes/engine_2_8_0.expected/linux_upload_publish_cipd_font_subset.json
@@ -12404,7 +12404,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12431,6 +12431,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12532,7 +12535,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12559,6 +12562,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12660,7 +12666,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12687,6 +12693,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12788,7 +12797,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12815,6 +12824,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12916,7 +12928,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12943,6 +12955,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18078,7 +18093,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18104,6 +18119,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18206,7 +18224,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18232,6 +18250,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18334,7 +18355,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18360,6 +18381,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18462,7 +18486,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18488,6 +18512,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_upload_publish_cipd_no_lto.json b/recipes/engine_2_8_0.expected/linux_upload_publish_cipd_no_lto.json
index 64a9edb..5f274cb 100644
--- a/recipes/engine_2_8_0.expected/linux_upload_publish_cipd_no_lto.json
+++ b/recipes/engine_2_8_0.expected/linux_upload_publish_cipd_no_lto.json
@@ -12359,7 +12359,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12386,6 +12386,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12487,7 +12490,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12514,6 +12517,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12615,7 +12621,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12642,6 +12648,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12743,7 +12752,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12770,6 +12779,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12871,7 +12883,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12898,6 +12910,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18034,7 +18049,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18060,6 +18075,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18162,7 +18180,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18188,6 +18206,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18290,7 +18311,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18316,6 +18337,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18418,7 +18442,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18444,6 +18468,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/linux_upload_publish_cipd_no_lto_font_subset.json b/recipes/engine_2_8_0.expected/linux_upload_publish_cipd_no_lto_font_subset.json
index 4e2da79..9e0d015 100644
--- a/recipes/engine_2_8_0.expected/linux_upload_publish_cipd_no_lto_font_subset.json
+++ b/recipes/engine_2_8_0.expected/linux_upload_publish_cipd_no_lto_font_subset.json
@@ -12410,7 +12410,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12437,6 +12437,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12538,7 +12541,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12565,6 +12568,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12666,7 +12672,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12693,6 +12699,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12794,7 +12803,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12821,6 +12830,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12922,7 +12934,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -12949,6 +12961,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18085,7 +18100,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18111,6 +18126,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18213,7 +18231,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18239,6 +18257,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18341,7 +18362,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18367,6 +18388,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -18469,7 +18493,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -18495,6 +18519,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/mac.json b/recipes/engine_2_8_0.expected/mac.json
index db30a71..dbc5bba 100644
--- a/recipes/engine_2_8_0.expected/mac.json
+++ b/recipes/engine_2_8_0.expected/mac.json
@@ -11464,7 +11464,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11490,6 +11490,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11592,7 +11595,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11618,6 +11621,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11720,7 +11726,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11746,6 +11752,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11848,7 +11857,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11874,6 +11883,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/mac_font_subset.json b/recipes/engine_2_8_0.expected/mac_font_subset.json
index db30a71..dbc5bba 100644
--- a/recipes/engine_2_8_0.expected/mac_font_subset.json
+++ b/recipes/engine_2_8_0.expected/mac_font_subset.json
@@ -11464,7 +11464,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11490,6 +11490,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11592,7 +11595,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11618,6 +11621,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11720,7 +11726,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11746,6 +11752,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11848,7 +11857,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11874,6 +11883,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/mac_no_lto.json b/recipes/engine_2_8_0.expected/mac_no_lto.json
index abc9955..795d262 100644
--- a/recipes/engine_2_8_0.expected/mac_no_lto.json
+++ b/recipes/engine_2_8_0.expected/mac_no_lto.json
@@ -11476,7 +11476,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11502,6 +11502,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11604,7 +11607,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11630,6 +11633,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11732,7 +11738,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11758,6 +11764,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11860,7 +11869,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11886,6 +11895,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/mac_no_lto_font_subset.json b/recipes/engine_2_8_0.expected/mac_no_lto_font_subset.json
index abc9955..795d262 100644
--- a/recipes/engine_2_8_0.expected/mac_no_lto_font_subset.json
+++ b/recipes/engine_2_8_0.expected/mac_no_lto_font_subset.json
@@ -11476,7 +11476,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11502,6 +11502,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11604,7 +11607,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11630,6 +11633,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11732,7 +11738,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11758,6 +11764,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11860,7 +11869,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11886,6 +11895,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/mac_publish_cipd.json b/recipes/engine_2_8_0.expected/mac_publish_cipd.json
index db30a71..dbc5bba 100644
--- a/recipes/engine_2_8_0.expected/mac_publish_cipd.json
+++ b/recipes/engine_2_8_0.expected/mac_publish_cipd.json
@@ -11464,7 +11464,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11490,6 +11490,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11592,7 +11595,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11618,6 +11621,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11720,7 +11726,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11746,6 +11752,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11848,7 +11857,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11874,6 +11883,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/mac_publish_cipd_font_subset.json b/recipes/engine_2_8_0.expected/mac_publish_cipd_font_subset.json
index db30a71..dbc5bba 100644
--- a/recipes/engine_2_8_0.expected/mac_publish_cipd_font_subset.json
+++ b/recipes/engine_2_8_0.expected/mac_publish_cipd_font_subset.json
@@ -11464,7 +11464,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11490,6 +11490,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11592,7 +11595,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11618,6 +11621,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11720,7 +11726,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11746,6 +11752,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11848,7 +11857,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11874,6 +11883,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/mac_publish_cipd_no_lto.json b/recipes/engine_2_8_0.expected/mac_publish_cipd_no_lto.json
index abc9955..795d262 100644
--- a/recipes/engine_2_8_0.expected/mac_publish_cipd_no_lto.json
+++ b/recipes/engine_2_8_0.expected/mac_publish_cipd_no_lto.json
@@ -11476,7 +11476,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11502,6 +11502,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11604,7 +11607,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11630,6 +11633,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11732,7 +11738,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11758,6 +11764,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11860,7 +11869,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11886,6 +11895,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/mac_publish_cipd_no_lto_font_subset.json b/recipes/engine_2_8_0.expected/mac_publish_cipd_no_lto_font_subset.json
index abc9955..795d262 100644
--- a/recipes/engine_2_8_0.expected/mac_publish_cipd_no_lto_font_subset.json
+++ b/recipes/engine_2_8_0.expected/mac_publish_cipd_no_lto_font_subset.json
@@ -11476,7 +11476,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11502,6 +11502,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11604,7 +11607,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11630,6 +11633,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11732,7 +11738,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11758,6 +11764,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11860,7 +11869,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -11886,6 +11895,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/mac_upload.json b/recipes/engine_2_8_0.expected/mac_upload.json
index ba706a5..30f8607 100644
--- a/recipes/engine_2_8_0.expected/mac_upload.json
+++ b/recipes/engine_2_8_0.expected/mac_upload.json
@@ -12651,7 +12651,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12677,6 +12677,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12779,7 +12782,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12805,6 +12808,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12907,7 +12913,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12933,6 +12939,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13035,7 +13044,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13061,6 +13070,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/mac_upload_font_subset.json b/recipes/engine_2_8_0.expected/mac_upload_font_subset.json
index 3e2652d..c9fbeb3 100644
--- a/recipes/engine_2_8_0.expected/mac_upload_font_subset.json
+++ b/recipes/engine_2_8_0.expected/mac_upload_font_subset.json
@@ -12702,7 +12702,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12728,6 +12728,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12830,7 +12833,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12856,6 +12859,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12958,7 +12964,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12984,6 +12990,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13086,7 +13095,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13112,6 +13121,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/mac_upload_no_lto.json b/recipes/engine_2_8_0.expected/mac_upload_no_lto.json
index 5400cf8..d0c3a09 100644
--- a/recipes/engine_2_8_0.expected/mac_upload_no_lto.json
+++ b/recipes/engine_2_8_0.expected/mac_upload_no_lto.json
@@ -12663,7 +12663,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12689,6 +12689,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12791,7 +12794,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12817,6 +12820,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12919,7 +12925,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12945,6 +12951,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13047,7 +13056,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13073,6 +13082,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/mac_upload_no_lto_font_subset.json b/recipes/engine_2_8_0.expected/mac_upload_no_lto_font_subset.json
index b4a6f46..90020b6 100644
--- a/recipes/engine_2_8_0.expected/mac_upload_no_lto_font_subset.json
+++ b/recipes/engine_2_8_0.expected/mac_upload_no_lto_font_subset.json
@@ -12714,7 +12714,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12740,6 +12740,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12842,7 +12845,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12868,6 +12871,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12970,7 +12976,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12996,6 +13002,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13098,7 +13107,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13124,6 +13133,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/mac_upload_publish_cipd.json b/recipes/engine_2_8_0.expected/mac_upload_publish_cipd.json
index ba706a5..30f8607 100644
--- a/recipes/engine_2_8_0.expected/mac_upload_publish_cipd.json
+++ b/recipes/engine_2_8_0.expected/mac_upload_publish_cipd.json
@@ -12651,7 +12651,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12677,6 +12677,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12779,7 +12782,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12805,6 +12808,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12907,7 +12913,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12933,6 +12939,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13035,7 +13044,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13061,6 +13070,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/mac_upload_publish_cipd_font_subset.json b/recipes/engine_2_8_0.expected/mac_upload_publish_cipd_font_subset.json
index 3e2652d..c9fbeb3 100644
--- a/recipes/engine_2_8_0.expected/mac_upload_publish_cipd_font_subset.json
+++ b/recipes/engine_2_8_0.expected/mac_upload_publish_cipd_font_subset.json
@@ -12702,7 +12702,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12728,6 +12728,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12830,7 +12833,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12856,6 +12859,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12958,7 +12964,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12984,6 +12990,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13086,7 +13095,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13112,6 +13121,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/mac_upload_publish_cipd_no_lto.json b/recipes/engine_2_8_0.expected/mac_upload_publish_cipd_no_lto.json
index 5400cf8..d0c3a09 100644
--- a/recipes/engine_2_8_0.expected/mac_upload_publish_cipd_no_lto.json
+++ b/recipes/engine_2_8_0.expected/mac_upload_publish_cipd_no_lto.json
@@ -12663,7 +12663,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12689,6 +12689,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12791,7 +12794,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12817,6 +12820,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12919,7 +12925,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12945,6 +12951,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13047,7 +13056,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13073,6 +13082,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/mac_upload_publish_cipd_no_lto_font_subset.json b/recipes/engine_2_8_0.expected/mac_upload_publish_cipd_no_lto_font_subset.json
index b4a6f46..90020b6 100644
--- a/recipes/engine_2_8_0.expected/mac_upload_publish_cipd_no_lto_font_subset.json
+++ b/recipes/engine_2_8_0.expected/mac_upload_publish_cipd_no_lto_font_subset.json
@@ -12714,7 +12714,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000133d\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12740,6 +12740,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12842,7 +12845,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001340\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12868,6 +12871,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -12970,7 +12976,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001343\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -12996,6 +13002,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -13098,7 +13107,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"chromium.googlesource.com\", \"id\": \"abcd1234\", \"project\": \"external/github.com/flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}]}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001346\", \"swarming\": {\"parentRunId\": \"deadbeef\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -13124,6 +13133,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.expected/pull_request.json b/recipes/engine_2_8_0.expected/pull_request.json
index 8a6952d..f455b47 100644
--- a/recipes/engine_2_8_0.expected/pull_request.json
+++ b/recipes/engine_2_8_0.expected/pull_request.json
@@ -10666,7 +10666,7 @@
       }
     },
     "name": "Schedule build android_release_arm64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_arm64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"arm64_v8a_release.jar\", \"arm64_v8a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001352\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10693,6 +10693,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10796,7 +10799,7 @@
       }
     },
     "name": "Schedule build android_profile.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_profile.jar\", \"armeabi_v7a_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001355\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10823,6 +10826,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -10926,7 +10932,7 @@
       }
     },
     "name": "Schedule build android_release.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"arm\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"armeabi_v7a_release.jar\", \"armeabi_v7a_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001358\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -10953,6 +10959,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11056,7 +11065,7 @@
       }
     },
     "name": "Schedule build android_profile_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_profile_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"profile\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_profile.jar\", \"x86_64_profile.pom\", \"flutter_embedding_profile.jar\", \"flutter_embedding_profile.pom\", \"flutter_embedding_profile-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135b\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11083,6 +11092,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -11186,7 +11198,7 @@
       }
     },
     "name": "Schedule build android_release_x64.buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"android_release_x64\", \"gn_args\": [\"--android\", \"--runtime-mode\", \"release\", \"--android-cpu\", \"x64\"], \"output_files\": [\"flutter.jar\", \"clang_x64/gen_snapshot\", \"libflutter.so\", \"x86_64_release.jar\", \"x86_64_release.pom\", \"flutter_embedding_release.jar\", \"flutter_embedding_release.pom\", \"flutter_embedding_release-sources.jar\"], \"targets\": [\"default\", \"clang_x64/gen_snapshot\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000135e\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -11213,6 +11225,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14321,7 +14336,7 @@
       }
     },
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001361\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14347,6 +14362,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14451,7 +14469,7 @@
       }
     },
     "name": "buildbucket.schedule (2)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_arm64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"arm64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001364\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14477,6 +14495,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14581,7 +14602,7 @@
       }
     },
     "name": "buildbucket.schedule (3)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_profile_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"profile\"], \"output_dirs\": [\"dart_jit_runner_far\", \"dart_aot_runner_far\", \"flutter_jit_runner_far\", \"flutter_aot_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_runner\", \"dart_aot_runner\", \"flutter_jit_runner\", \"flutter_aot_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001367\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14607,6 +14628,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
@@ -14711,7 +14735,7 @@
       }
     },
     "name": "buildbucket.schedule (4)",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"ci\", \"builder\": \"Linux Engine Drone\", \"project\": \"flutter\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"2d72510e447ab60a9728aeea2362d8be2cbd7789\", \"project\": \"flutter/engine\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"builds\": [{\"dir\": \"fuchsia_release_x64\", \"gn_args\": [\"--fuchsia\", \"--fuchsia-cpu\", \"x64\", \"--runtime-mode\", \"release\"], \"output_dirs\": [\"dart_jit_product_runner_far\", \"dart_aot_product_runner_far\", \"flutter_jit_product_runner_far\", \"flutter_aot_product_runner_far\", \"dart_runner_patched_sdk\", \"flutter_runner_patched_sdk\", \"clang_x64\", \".build-id\"], \"output_files\": [\"dart_jit_product_runner\", \"dart_aot_product_runner\", \"flutter_jit_product_runner\", \"flutter_aot_product_runner\"], \"targets\": [\"flutter/shell/platform/fuchsia:fuchsia\"]}], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://github.com/flutter/engine\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-00000000136a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -14737,6 +14761,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"flutter\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gitilesCommit\": {@@@",
diff --git a/recipes/engine_2_8_0.py b/recipes/engine_2_8_0.py
index e4450ba..2615135 100644
--- a/recipes/engine_2_8_0.py
+++ b/recipes/engine_2_8_0.py
@@ -155,7 +155,8 @@
       # Increasing priority won't fix the problem but will make the deadlock
       # situation less unlikely.
       # https://github.com/flutter/flutter/issues/59169.
-      priority=25
+      priority=25,
+      exe_cipd_version=api.properties.get('exe_cipd_version', 'refs/heads/main')
   )
   return api.buildbucket.schedule([req])
 
diff --git a/recipes/engine_v2/engine_v2.expected/basic.json b/recipes/engine_v2/engine_v2.expected/basic.json
index 00b52de..a38adf9 100644
--- a/recipes/engine_v2/engine_v2.expected/basic.json
+++ b/recipes/engine_v2/engine_v2.expected/basic.json
@@ -218,7 +218,7 @@
       }
     },
     "name": "launch builds.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"try\", \"builder\": \"Linux Staging Engine Drone\", \"project\": \"proj\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gerritChanges\": [{\"change\": \"123456\", \"host\": \"github.com\", \"patchset\": \"7\", \"project\": \"repo/a\"}], \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\", \"project\": \"repo/a\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"build\": {\"generators\": [{\"name\": \"generator1\", \"script\": \"script1.sh\"}], \"gn\": [\"--ios\"], \"name\": \"ios_debug\", \"ninja\": {\"config\": \"ios_debug\", \"targets\": []}}, \"builds\": [{\"generators\": [{\"name\": \"generator1\", \"script\": \"script1.sh\"}], \"gn\": [\"--ios\"], \"name\": \"ios_debug\", \"ninja\": {\"config\": \"ios_debug\", \"targets\": []}}], \"environment\": \"Staging\", \"recipe\": \"engine_v2/builder\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"cq_experimental\", \"value\": \"false\"}, {\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"try\", \"builder\": \"Linux Staging Engine Drone\", \"project\": \"proj\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gerritChanges\": [{\"change\": \"123456\", \"host\": \"github.com\", \"patchset\": \"7\", \"project\": \"repo/a\"}], \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\", \"project\": \"repo/a\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"build\": {\"generators\": [{\"name\": \"generator1\", \"script\": \"script1.sh\"}], \"gn\": [\"--ios\"], \"name\": \"ios_debug\", \"ninja\": {\"config\": \"ios_debug\", \"targets\": []}}, \"builds\": [{\"generators\": [{\"name\": \"generator1\", \"script\": \"script1.sh\"}], \"gn\": [\"--ios\"], \"name\": \"ios_debug\", \"ninja\": {\"config\": \"ios_debug\", \"targets\": []}}], \"environment\": \"Staging\", \"recipe\": \"engine_v2/builder\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"cq_experimental\", \"value\": \"false\"}, {\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -245,6 +245,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Staging Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"proj\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gerritChanges\": [@@@",
diff --git a/recipes/engine_v2/engine_v2_2_5_0.expected/basic.json b/recipes/engine_v2/engine_v2_2_5_0.expected/basic.json
index f6ce5d8..d44a0f9 100644
--- a/recipes/engine_v2/engine_v2_2_5_0.expected/basic.json
+++ b/recipes/engine_v2/engine_v2_2_5_0.expected/basic.json
@@ -218,7 +218,7 @@
       }
     },
     "name": "launch builds.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"try\", \"builder\": \"Linux Staging Engine Drone\", \"project\": \"proj\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gerritChanges\": [{\"change\": \"123456\", \"host\": \"github.com\", \"patchset\": \"7\", \"project\": \"repo/a\"}], \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\", \"project\": \"repo/a\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"build\": {\"generators\": [{\"name\": \"generator1\", \"script\": \"script1.sh\"}], \"gn\": [\"--ios\"], \"name\": \"ios_debug\", \"ninja\": {\"config\": \"ios_debug\", \"targets\": []}}, \"builds\": [{\"generators\": [{\"name\": \"generator1\", \"script\": \"script1.sh\"}], \"gn\": [\"--ios\"], \"name\": \"ios_debug\", \"ninja\": {\"config\": \"ios_debug\", \"targets\": []}}], \"environment\": \"Staging\", \"recipe\": \"engine_v2/builder\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"cq_experimental\", \"value\": \"false\"}, {\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"try\", \"builder\": \"Linux Staging Engine Drone\", \"project\": \"proj\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gerritChanges\": [{\"change\": \"123456\", \"host\": \"github.com\", \"patchset\": \"7\", \"project\": \"repo/a\"}], \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\", \"project\": \"repo/a\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"build\": {\"generators\": [{\"name\": \"generator1\", \"script\": \"script1.sh\"}], \"gn\": [\"--ios\"], \"name\": \"ios_debug\", \"ninja\": {\"config\": \"ios_debug\", \"targets\": []}}, \"builds\": [{\"generators\": [{\"name\": \"generator1\", \"script\": \"script1.sh\"}], \"gn\": [\"--ios\"], \"name\": \"ios_debug\", \"ninja\": {\"config\": \"ios_debug\", \"targets\": []}}], \"environment\": \"Staging\", \"recipe\": \"engine_v2/builder\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"cq_experimental\", \"value\": \"false\"}, {\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -245,6 +245,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Staging Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"proj\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gerritChanges\": [@@@",
diff --git a/recipes/engine_v2/engine_v2_2_8_0.expected/basic.json b/recipes/engine_v2/engine_v2_2_8_0.expected/basic.json
index 00b52de..a38adf9 100644
--- a/recipes/engine_v2/engine_v2_2_8_0.expected/basic.json
+++ b/recipes/engine_v2/engine_v2_2_8_0.expected/basic.json
@@ -218,7 +218,7 @@
       }
     },
     "name": "launch builds.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"try\", \"builder\": \"Linux Staging Engine Drone\", \"project\": \"proj\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gerritChanges\": [{\"change\": \"123456\", \"host\": \"github.com\", \"patchset\": \"7\", \"project\": \"repo/a\"}], \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\", \"project\": \"repo/a\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"build\": {\"generators\": [{\"name\": \"generator1\", \"script\": \"script1.sh\"}], \"gn\": [\"--ios\"], \"name\": \"ios_debug\", \"ninja\": {\"config\": \"ios_debug\", \"targets\": []}}, \"builds\": [{\"generators\": [{\"name\": \"generator1\", \"script\": \"script1.sh\"}], \"gn\": [\"--ios\"], \"name\": \"ios_debug\", \"ninja\": {\"config\": \"ios_debug\", \"targets\": []}}], \"environment\": \"Staging\", \"recipe\": \"engine_v2/builder\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"cq_experimental\", \"value\": \"false\"}, {\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"bucket\": \"try\", \"builder\": \"Linux Staging Engine Drone\", \"project\": \"proj\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"gerritChanges\": [{\"change\": \"123456\", \"host\": \"github.com\", \"patchset\": \"7\", \"project\": \"repo/a\"}], \"gitilesCommit\": {\"host\": \"github.com\", \"id\": \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\", \"project\": \"repo/a\", \"ref\": \"refs/heads/main\"}, \"priority\": 25, \"properties\": {\"build\": {\"generators\": [{\"name\": \"generator1\", \"script\": \"script1.sh\"}], \"gn\": [\"--ios\"], \"name\": \"ios_debug\", \"ninja\": {\"config\": \"ios_debug\", \"targets\": []}}, \"builds\": [{\"generators\": [{\"name\": \"generator1\", \"script\": \"script1.sh\"}], \"gn\": [\"--ios\"], \"name\": \"ios_debug\", \"ninja\": {\"config\": \"ios_debug\", \"targets\": []}}], \"environment\": \"Staging\", \"recipe\": \"engine_v2/builder\"}, \"requestId\": \"8945511751514863184-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"cq_experimental\", \"value\": \"false\"}, {\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -245,6 +245,9 @@
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Staging Engine Drone\", @@@",
       "@@@STEP_LOG_LINE@request@          \"project\": \"proj\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"gerritChanges\": [@@@",
diff --git a/recipes/flutter/flutter.expected/shards.json b/recipes/flutter/flutter.expected/shards.json
index 9dfd694..eb304e4 100644
--- a/recipes/flutter/flutter.expected/shards.json
+++ b/recipes/flutter/flutter.expected/shards.json
@@ -8,7 +8,7 @@
     ],
     "infra_step": true,
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"framework_tests\", \"subshard\": \"0\", \"task_name\": \"framework_tests-0\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"framework_tests\", \"subshard\": \"1_last\", \"task_name\": \"framework_tests-1_last\"}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"framework_tests\", \"subshard\": \"0\", \"task_name\": \"framework_tests-0\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"framework_tests\", \"subshard\": \"1_last\", \"task_name\": \"framework_tests-1_last\"}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -32,6 +32,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux SDK Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
@@ -60,6 +63,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux SDK Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
diff --git a/recipes/flutter/flutter.expected/shards_fail.json b/recipes/flutter/flutter.expected/shards_fail.json
index 730d3e7..de7ced4 100644
--- a/recipes/flutter/flutter.expected/shards_fail.json
+++ b/recipes/flutter/flutter.expected/shards_fail.json
@@ -8,7 +8,7 @@
     ],
     "infra_step": true,
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"framework_tests\", \"subshard\": \"0\", \"task_name\": \"framework_tests-0\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"framework_tests\", \"subshard\": \"1_last\", \"task_name\": \"framework_tests-1_last\"}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"framework_tests\", \"subshard\": \"0\", \"task_name\": \"framework_tests-0\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"framework_tests\", \"subshard\": \"1_last\", \"task_name\": \"framework_tests-1_last\"}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_TEXT@Request #0<br>Status code: 1<br>Message: bad<br>@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -29,6 +29,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux SDK Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
@@ -57,6 +60,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux SDK Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
diff --git a/recipes/flutter/flutter_2_5_0.expected/shards.json b/recipes/flutter/flutter_2_5_0.expected/shards.json
index 9dfd694..eb304e4 100644
--- a/recipes/flutter/flutter_2_5_0.expected/shards.json
+++ b/recipes/flutter/flutter_2_5_0.expected/shards.json
@@ -8,7 +8,7 @@
     ],
     "infra_step": true,
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"framework_tests\", \"subshard\": \"0\", \"task_name\": \"framework_tests-0\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"framework_tests\", \"subshard\": \"1_last\", \"task_name\": \"framework_tests-1_last\"}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"framework_tests\", \"subshard\": \"0\", \"task_name\": \"framework_tests-0\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"framework_tests\", \"subshard\": \"1_last\", \"task_name\": \"framework_tests-1_last\"}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -32,6 +32,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux SDK Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
@@ -60,6 +63,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux SDK Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
diff --git a/recipes/flutter/flutter_2_5_0.expected/shards_fail.json b/recipes/flutter/flutter_2_5_0.expected/shards_fail.json
index 730d3e7..de7ced4 100644
--- a/recipes/flutter/flutter_2_5_0.expected/shards_fail.json
+++ b/recipes/flutter/flutter_2_5_0.expected/shards_fail.json
@@ -8,7 +8,7 @@
     ],
     "infra_step": true,
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"framework_tests\", \"subshard\": \"0\", \"task_name\": \"framework_tests-0\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"framework_tests\", \"subshard\": \"1_last\", \"task_name\": \"framework_tests-1_last\"}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"framework_tests\", \"subshard\": \"0\", \"task_name\": \"framework_tests-0\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"framework_tests\", \"subshard\": \"1_last\", \"task_name\": \"framework_tests-1_last\"}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_TEXT@Request #0<br>Status code: 1<br>Message: bad<br>@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -29,6 +29,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux SDK Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
@@ -57,6 +60,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux SDK Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
diff --git a/recipes/flutter/flutter_2_8_0.expected/shards.json b/recipes/flutter/flutter_2_8_0.expected/shards.json
index 9dfd694..eb304e4 100644
--- a/recipes/flutter/flutter_2_8_0.expected/shards.json
+++ b/recipes/flutter/flutter_2_8_0.expected/shards.json
@@ -8,7 +8,7 @@
     ],
     "infra_step": true,
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"framework_tests\", \"subshard\": \"0\", \"task_name\": \"framework_tests-0\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"framework_tests\", \"subshard\": \"1_last\", \"task_name\": \"framework_tests-1_last\"}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"framework_tests\", \"subshard\": \"0\", \"task_name\": \"framework_tests-0\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"framework_tests\", \"subshard\": \"1_last\", \"task_name\": \"framework_tests-1_last\"}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -32,6 +32,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux SDK Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
@@ -60,6 +63,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux SDK Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
diff --git a/recipes/flutter/flutter_2_8_0.expected/shards_fail.json b/recipes/flutter/flutter_2_8_0.expected/shards_fail.json
index 730d3e7..de7ced4 100644
--- a/recipes/flutter/flutter_2_8_0.expected/shards_fail.json
+++ b/recipes/flutter/flutter_2_8_0.expected/shards_fail.json
@@ -8,7 +8,7 @@
     ],
     "infra_step": true,
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"framework_tests\", \"subshard\": \"0\", \"task_name\": \"framework_tests-0\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"framework_tests\", \"subshard\": \"1_last\", \"task_name\": \"framework_tests-1_last\"}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"framework_tests\", \"subshard\": \"0\", \"task_name\": \"framework_tests-0\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux SDK Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"android_sdk_license\": \"\", \"android_sdk_preview_license\": \"\", \"dependencies\": [], \"shard\": \"framework_tests\", \"subshard\": \"1_last\", \"task_name\": \"framework_tests-1_last\"}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_TEXT@Request #0<br>Status code: 1<br>Message: bad<br>@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -29,6 +29,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux SDK Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
@@ -57,6 +60,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux SDK Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
diff --git a/recipes/fuchsia_ctl.expected/demo.json b/recipes/fuchsia_ctl.expected/demo.json
index db1b003..c724d9a 100644
--- a/recipes/fuchsia_ctl.expected/demo.json
+++ b/recipes/fuchsia_ctl.expected/demo.json
@@ -172,7 +172,7 @@
     ],
     "infra_step": true,
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux Fuchsia\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"properties\": {\"fuchsia_ctl_version\": \"40-chars-fake-of-the-package-instance_id\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux Fuchsia\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"properties\": {\"fuchsia_ctl_version\": \"40-chars-fake-of-the-package-instance_id\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -194,6 +194,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Fuchsia\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"properties\": {@@@",
diff --git a/recipes/fuchsia_ctl.py b/recipes/fuchsia_ctl.py
index 98bf33d..5f15891 100644
--- a/recipes/fuchsia_ctl.py
+++ b/recipes/fuchsia_ctl.py
@@ -56,7 +56,8 @@
   req = api.buildbucket.schedule_request(
       swarming_parent_run_id=api.swarming.task_id,
       builder=builder_name,
-      properties=drone_props)
+      properties=drone_props,
+      exe_cipd_version=api.properties.get('exe_cipd_version', 'refs/heads/main'))
   return api.buildbucket.schedule([req])
 
 
diff --git a/recipes/web_engine.expected/linux-post-submit.json b/recipes/web_engine.expected/linux-post-submit.json
index ef8f736..cea55ee 100644
--- a/recipes/web_engine.expected/linux-post-submit.json
+++ b/recipes/web_engine.expected/linux-post-submit.json
@@ -833,7 +833,7 @@
     },
     "infra_step": true,
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux Web Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"command_args\": [\"test\", \"--browser=chrome\", \"--require-skia-gold\"], \"command_name\": \"chrome-unit-linux\", \"git_ref\": \"refs/heads/master\", \"git_url\": \"https://chromium.googlesource.com/external/github.com/flutter/engine\", \"inherited_dependencies\": [], \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"web_dependencies\": [\"chrome\"]}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux Web Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"command_args\": [\"test\", \"--browser=firefox\"], \"command_name\": \"firefox-unit-linux\", \"git_ref\": \"refs/heads/master\", \"git_url\": \"https://chromium.googlesource.com/external/github.com/flutter/engine\", \"inherited_dependencies\": [], \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"web_dependencies\": []}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux Web Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"command_args\": [\"test\", \"--browser=chrome\", \"--require-skia-gold\"], \"command_name\": \"chrome-unit-linux\", \"git_ref\": \"refs/heads/master\", \"git_url\": \"https://chromium.googlesource.com/external/github.com/flutter/engine\", \"inherited_dependencies\": [], \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"web_dependencies\": [\"chrome\"]}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux Web Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"command_args\": [\"test\", \"--browser=firefox\"], \"command_name\": \"firefox-unit-linux\", \"git_ref\": \"refs/heads/master\", \"git_url\": \"https://chromium.googlesource.com/external/github.com/flutter/engine\", \"inherited_dependencies\": [], \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"web_dependencies\": []}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -863,6 +863,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Web Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
@@ -898,6 +901,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Web Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
diff --git a/recipes/web_engine.expected/linux-pre-submit.json b/recipes/web_engine.expected/linux-pre-submit.json
index 9fd5836..b1879db 100644
--- a/recipes/web_engine.expected/linux-pre-submit.json
+++ b/recipes/web_engine.expected/linux-pre-submit.json
@@ -848,7 +848,7 @@
     },
     "infra_step": true,
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux Web Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"command_args\": [\"test\", \"--browser=chrome\", \"--require-skia-gold\"], \"command_name\": \"chrome-unit-linux\", \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://mygitrepo\", \"inherited_dependencies\": [], \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"web_dependencies\": [\"chrome\"]}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux Web Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"command_args\": [\"test\", \"--browser=firefox\"], \"command_name\": \"firefox-unit-linux\", \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://mygitrepo\", \"inherited_dependencies\": [], \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"web_dependencies\": []}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux Web Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"command_args\": [\"test\", \"--browser=chrome\", \"--require-skia-gold\"], \"command_name\": \"chrome-unit-linux\", \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://mygitrepo\", \"inherited_dependencies\": [], \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"web_dependencies\": [\"chrome\"]}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux Web Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"command_args\": [\"test\", \"--browser=firefox\"], \"command_name\": \"firefox-unit-linux\", \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://mygitrepo\", \"inherited_dependencies\": [], \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"web_dependencies\": []}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -878,6 +878,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Web Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
@@ -913,6 +916,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Web Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
diff --git a/recipes/web_engine.py b/recipes/web_engine.py
index abebcb4..76aeeed 100644
--- a/recipes/web_engine.py
+++ b/recipes/web_engine.py
@@ -294,7 +294,8 @@
       swarming_parent_run_id=api.swarming.task_id,
       builder='Linux Web Drone',
       properties=drone_props,
-      priority=25
+      priority=25,
+      exe_cipd_version=api.properties.get('exe_cipd_version', 'refs/heads/main')
   )
   reqs.append(req)
 
diff --git a/recipes/web_engine_2_5_0.expected/linux-post-submit.json b/recipes/web_engine_2_5_0.expected/linux-post-submit.json
index 41ee581..fedc54d 100644
--- a/recipes/web_engine_2_5_0.expected/linux-post-submit.json
+++ b/recipes/web_engine_2_5_0.expected/linux-post-submit.json
@@ -833,7 +833,7 @@
     },
     "infra_step": true,
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux Web Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"command_args\": [\"test\", \"--browser=chrome\"], \"command_name\": \"chrome-unit-linux\", \"dependencies\": [\"chrome\"], \"git_ref\": \"refs/heads/master\", \"git_url\": \"https://chromium.googlesource.com/external/github.com/flutter/engine\", \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux Web Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"command_args\": [\"test\", \"--browser=firefox\"], \"command_name\": \"firefox-unit-linux\", \"dependencies\": [], \"git_ref\": \"refs/heads/master\", \"git_url\": \"https://chromium.googlesource.com/external/github.com/flutter/engine\", \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\"}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux Web Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"command_args\": [\"test\", \"--browser=chrome\"], \"command_name\": \"chrome-unit-linux\", \"dependencies\": [\"chrome\"], \"git_ref\": \"refs/heads/master\", \"git_url\": \"https://chromium.googlesource.com/external/github.com/flutter/engine\", \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux Web Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"command_args\": [\"test\", \"--browser=firefox\"], \"command_name\": \"firefox-unit-linux\", \"dependencies\": [], \"git_ref\": \"refs/heads/master\", \"git_url\": \"https://chromium.googlesource.com/external/github.com/flutter/engine\", \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\"}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -863,6 +863,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Web Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
@@ -896,6 +899,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Web Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
diff --git a/recipes/web_engine_2_5_0.expected/linux-pre-submit.json b/recipes/web_engine_2_5_0.expected/linux-pre-submit.json
index 6733cc3..01ff5f0 100644
--- a/recipes/web_engine_2_5_0.expected/linux-pre-submit.json
+++ b/recipes/web_engine_2_5_0.expected/linux-pre-submit.json
@@ -848,7 +848,7 @@
     },
     "infra_step": true,
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux Web Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"command_args\": [\"test\", \"--browser=chrome\"], \"command_name\": \"chrome-unit-linux\", \"dependencies\": [\"chrome\"], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://mygitrepo\", \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux Web Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"command_args\": [\"test\", \"--browser=firefox\"], \"command_name\": \"firefox-unit-linux\", \"dependencies\": [], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://mygitrepo\", \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\"}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux Web Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"command_args\": [\"test\", \"--browser=chrome\"], \"command_name\": \"chrome-unit-linux\", \"dependencies\": [\"chrome\"], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://mygitrepo\", \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\"}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux Web Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"command_args\": [\"test\", \"--browser=firefox\"], \"command_name\": \"firefox-unit-linux\", \"dependencies\": [], \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://mygitrepo\", \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\"}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -878,6 +878,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Web Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
@@ -911,6 +914,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Web Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
diff --git a/recipes/web_engine_2_5_0.py b/recipes/web_engine_2_5_0.py
index 2df4468..3eb6a0f 100644
--- a/recipes/web_engine_2_5_0.py
+++ b/recipes/web_engine_2_5_0.py
@@ -278,7 +278,8 @@
       swarming_parent_run_id=api.swarming.task_id,
       builder='Linux Web Drone',
       properties=drone_props,
-      priority=25
+      priority=25,
+      exe_cipd_version=api.properties.get('exe_cipd_version', 'refs/heads/main')
   )
   reqs.append(req)
 
diff --git a/recipes/web_engine_2_8_0.expected/linux-post-submit.json b/recipes/web_engine_2_8_0.expected/linux-post-submit.json
index bdd604c..ef897d2 100644
--- a/recipes/web_engine_2_8_0.expected/linux-post-submit.json
+++ b/recipes/web_engine_2_8_0.expected/linux-post-submit.json
@@ -833,7 +833,7 @@
     },
     "infra_step": true,
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux Web Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"command_args\": [\"test\", \"--browser=chrome\"], \"command_name\": \"chrome-unit-linux\", \"git_ref\": \"refs/heads/master\", \"git_url\": \"https://chromium.googlesource.com/external/github.com/flutter/engine\", \"inherited_dependencies\": [], \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"web_dependencies\": [\"chrome\"]}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux Web Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"command_args\": [\"test\", \"--browser=firefox\"], \"command_name\": \"firefox-unit-linux\", \"git_ref\": \"refs/heads/master\", \"git_url\": \"https://chromium.googlesource.com/external/github.com/flutter/engine\", \"inherited_dependencies\": [], \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"web_dependencies\": []}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux Web Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"command_args\": [\"test\", \"--browser=chrome\"], \"command_name\": \"chrome-unit-linux\", \"git_ref\": \"refs/heads/master\", \"git_url\": \"https://chromium.googlesource.com/external/github.com/flutter/engine\", \"inherited_dependencies\": [], \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"web_dependencies\": [\"chrome\"]}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux Web Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"command_args\": [\"test\", \"--browser=firefox\"], \"command_name\": \"firefox-unit-linux\", \"git_ref\": \"refs/heads/master\", \"git_url\": \"https://chromium.googlesource.com/external/github.com/flutter/engine\", \"inherited_dependencies\": [], \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"web_dependencies\": []}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -863,6 +863,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Web Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
@@ -897,6 +900,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Web Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
diff --git a/recipes/web_engine_2_8_0.expected/linux-pre-submit.json b/recipes/web_engine_2_8_0.expected/linux-pre-submit.json
index da99316..8b5fcaa 100644
--- a/recipes/web_engine_2_8_0.expected/linux-pre-submit.json
+++ b/recipes/web_engine_2_8_0.expected/linux-pre-submit.json
@@ -848,7 +848,7 @@
     },
     "infra_step": true,
     "name": "buildbucket.schedule",
-    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux Web Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"command_args\": [\"test\", \"--browser=chrome\"], \"command_name\": \"chrome-unit-linux\", \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://mygitrepo\", \"inherited_dependencies\": [], \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"web_dependencies\": [\"chrome\"]}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux Web Drone\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"command_args\": [\"test\", \"--browser=firefox\"], \"command_name\": \"firefox-unit-linux\", \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://mygitrepo\", \"inherited_dependencies\": [], \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"web_dependencies\": []}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
+    "stdin": "{\"requests\": [{\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux Web Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"command_args\": [\"test\", \"--browser=chrome\"], \"command_name\": \"chrome-unit-linux\", \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://mygitrepo\", \"inherited_dependencies\": [], \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"web_dependencies\": [\"chrome\"]}, \"requestId\": \"0-00000000-0000-0000-0000-000000001337\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}, {\"scheduleBuild\": {\"builder\": {\"builder\": \"Linux Web Drone\"}, \"exe\": {\"cipdVersion\": \"refs/heads/main\"}, \"experimental\": \"NO\", \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", \"priority\": 25, \"properties\": {\"command_args\": [\"test\", \"--browser=firefox\"], \"command_name\": \"firefox-unit-linux\", \"git_ref\": \"refs/pull/1/head\", \"git_url\": \"https://mygitrepo\", \"inherited_dependencies\": [], \"local_engine_cas_hash\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\", \"web_dependencies\": []}, \"requestId\": \"0-00000000-0000-0000-0000-00000000133a\", \"swarming\": {\"parentRunId\": \"fake-task-id\"}, \"tags\": [{\"key\": \"user_agent\", \"value\": \"recipe\"}]}}]}",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"responses\": [@@@",
@@ -878,6 +878,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Web Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
@@ -912,6 +915,9 @@
       "@@@STEP_LOG_LINE@request@        \"builder\": {@@@",
       "@@@STEP_LOG_LINE@request@          \"builder\": \"Linux Web Drone\"@@@",
       "@@@STEP_LOG_LINE@request@        }, @@@",
+      "@@@STEP_LOG_LINE@request@        \"exe\": {@@@",
+      "@@@STEP_LOG_LINE@request@          \"cipdVersion\": \"refs/heads/main\"@@@",
+      "@@@STEP_LOG_LINE@request@        }, @@@",
       "@@@STEP_LOG_LINE@request@        \"experimental\": \"NO\", @@@",
       "@@@STEP_LOG_LINE@request@        \"fields\": \"builder,createTime,createdBy,critical,endTime,id,infra,input,number,output,startTime,status,updateTime\", @@@",
       "@@@STEP_LOG_LINE@request@        \"priority\": 25, @@@",
diff --git a/recipes/web_engine_2_8_0.py b/recipes/web_engine_2_8_0.py
index d927d60..e9a9191 100644
--- a/recipes/web_engine_2_8_0.py
+++ b/recipes/web_engine_2_8_0.py
@@ -294,7 +294,8 @@
       swarming_parent_run_id=api.swarming.task_id,
       builder='Linux Web Drone',
       properties=drone_props,
-      priority=25
+      priority=25,
+      exe_cipd_version=api.properties.get('exe_cipd_version', 'refs/heads/main')
   )
   reqs.append(req)