Fix release candidate branch detection.

The remote branches were not being detected correctly because they were
prefixed with white spaces. This will also fix the problems with
codesigning.

Bug: https://github.com/flutter/flutter/issues/131942
Change-Id: I5a734c81a46e6bdf24e278d201784abaf239ca8b
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/48980
Reviewed-by: Xilai Zhang <xilaizhang@google.com>
Commit-Queue: Godofredo Contreras <godofredoc@google.com>
diff --git a/recipe_modules/adhoc_validation/api.py b/recipe_modules/adhoc_validation/api.py
index f6a66bc..b04cb8c 100644
--- a/recipe_modules/adhoc_validation/api.py
+++ b/recipe_modules/adhoc_validation/api.py
@@ -79,7 +79,6 @@
            ) and self.m.repo_util.is_release_candidate_branch(checkout_path):
           env['LUCI_BRANCH'] = 'stable'
           env['LUCI_CI'] = True
-
         with self.m.context(env=env, env_prefixes=env_prefixes):
           self.m.flutter_bcid.report_stage(BcidStage.COMPILE.value)
           self.m.file.read_text(
diff --git a/recipe_modules/adhoc_validation/examples/full.expected/mac_nodeps.json b/recipe_modules/adhoc_validation/examples/full.expected/mac_nodeps.json
index f9510af..c43b769 100644
--- a/recipe_modules/adhoc_validation/examples/full.expected/mac_nodeps.json
+++ b/recipe_modules/adhoc_validation/examples/full.expected/mac_nodeps.json
@@ -116,120 +116,6 @@
   },
   {
     "cmd": [
-      "echo",
-      "identified branches before filter are "
-    ],
-    "cwd": "[START_DIR]/flutter sdk",
-    "env": {
-      "ARTIFACT_HUB_REPOSITORY": "artifactregistry://us-maven.pkg.dev/artifact-foundry-prod/maven-3p",
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "GIT_BRANCH": "",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "darwin",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "12345abcde12345abcde12345abcde12345abcde",
-      "SDK_CHECKOUT_PATH": "[START_DIR]/flutter sdk"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[START_DIR]/flutter sdk/bin",
-        "[START_DIR]/flutter sdk/bin/cache/dart-sdk/bin"
-      ]
-    },
-    "name": "Docs.Identify branches.print identified branches",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@2@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "identified branches after filter are "
-    ],
-    "cwd": "[START_DIR]/flutter sdk",
-    "env": {
-      "ARTIFACT_HUB_REPOSITORY": "artifactregistry://us-maven.pkg.dev/artifact-foundry-prod/maven-3p",
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "GIT_BRANCH": "",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "darwin",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "12345abcde12345abcde12345abcde12345abcde",
-      "SDK_CHECKOUT_PATH": "[START_DIR]/flutter sdk"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[START_DIR]/flutter sdk/bin",
-        "[START_DIR]/flutter sdk/bin/cache/dart-sdk/bin"
-      ]
-    },
-    "name": "Docs.Identify branches.print identified branches (2)",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@2@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "commit branches are "
-    ],
-    "env": {
-      "ARTIFACT_HUB_REPOSITORY": "artifactregistry://us-maven.pkg.dev/artifact-foundry-prod/maven-3p",
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "GIT_BRANCH": "",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "darwin",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "12345abcde12345abcde12345abcde12345abcde",
-      "SDK_CHECKOUT_PATH": "[START_DIR]/flutter sdk"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[START_DIR]/flutter sdk/bin",
-        "[START_DIR]/flutter sdk/bin/cache/dart-sdk/bin"
-      ]
-    },
-    "name": "Docs.print commit branches",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "current branches are not considered release branches"
-    ],
-    "env": {
-      "ARTIFACT_HUB_REPOSITORY": "artifactregistry://us-maven.pkg.dev/artifact-foundry-prod/maven-3p",
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "GIT_BRANCH": "",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "darwin",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "12345abcde12345abcde12345abcde12345abcde",
-      "SDK_CHECKOUT_PATH": "[START_DIR]/flutter sdk"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[START_DIR]/flutter sdk/bin",
-        "[START_DIR]/flutter sdk/bin/cache/dart-sdk/bin"
-      ]
-    },
-    "name": "Docs.check if release branch",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
       "vpython3",
       "-u",
       "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
diff --git a/recipe_modules/repo_util/api.py b/recipe_modules/repo_util/api.py
index 99723ac..5ddf773 100644
--- a/recipe_modules/repo_util/api.py
+++ b/recipe_modules/repo_util/api.py
@@ -320,7 +320,6 @@
       return gitiles_commit
     return self.m.properties.get('git_ref', 'led')
 
-  # TODO(xilaizhang): remove print statements after release branch logic is fixed.
   def current_commit_branches(self, checkout_path):
     """Gets the list of branches for the current commit."""
     with self.m.step.nest('Identify branches'):
@@ -333,14 +332,13 @@
             commit,
             stdout=self.m.raw_io.output_text()
         ).stdout.splitlines()
-        if self.m.platform.is_mac:
-          self.m.step("print identified branches", ["echo", "identified branches before filter are "+" ".join(branches)])
         # Discard local branches as we are interested only in remote branches.
-        branches = [b for b in branches if b.startswith('remotes/origin/')]
-        if self.m.platform.is_mac:
-          self.m.step("print identified branches", ["echo", "identified branches after filter are "+" ".join(branches)])
-        return [b.strip().replace('remotes/origin/', '') for b in branches
-               ] or []
+        branches = [
+            b.strip()
+            for b in branches
+            if b.strip().startswith('remotes/origin/')
+        ]
+        return [b.replace('remotes/origin/', '') for b in branches] or []
 
   def get_branch(self, checkout_path):
     """Get git branch for beta and stable channels.
@@ -360,12 +358,7 @@
     """
     if self.m.properties.get('git_branch', '') in ['beta', 'stable']:
       branches = self.current_commit_branches(checkout_path)
-      # TODO(xilaizhang): remove print statements after codesigning logic can be triggered from beta.
-      if self.m.platform.is_mac:
-        self.m.step("print branches", ["echo", "branches before filtering are "+" ".join(branches)])
       branches = [b for b in branches if b.startswith('flutter')]
-      if self.m.platform.is_mac:
-        self.m.step("print branches", ["echo", "branches after filtering are "+" ".join(branches)])
       return branches[0] if len(branches) > 0 else self.m.properties.get(
           'git_branch', ''
       )
@@ -524,19 +517,12 @@
     assert checkout_path, 'Outside of a flutter_environment?'
     return self.m.path.abs_to_path(checkout_path)
 
-  # TODO(xilaizhang): remove print statements after release branch logic is fixed.
   def is_release_candidate_branch(self, checkout_path):
     """Returns true if the branch starts with "flutter-"."""
     commit_branches = self.current_commit_branches(checkout_path)
-    if self.m.platform.is_mac:
-      self.m.step("print commit branches", ["echo", "commit branches are "+" ".join(commit_branches)])
     for branch in commit_branches:
       if branch.startswith('flutter-'):
-        if self.m.platform.is_mac:
-          self.m.step("check if release branch", ["echo", "current branches are verdicted as release branches"])
         return True
-    if self.m.platform.is_mac:
-      self.m.step("check if release branch", ["echo", "current branches are not considered release branches"])
     return False
 
   def release_candidate_branch(self, checkout_path):
diff --git a/recipe_modules/repo_util/examples/full.expected/basic.json b/recipe_modules/repo_util/examples/full.expected/basic.json
index 28cb35e..d390ac4 100644
--- a/recipe_modules/repo_util/examples/full.expected/basic.json
+++ b/recipe_modules/repo_util/examples/full.expected/basic.json
@@ -32,42 +32,6 @@
     ]
   },
   {
-    "cmd": [
-      "echo",
-      "identified branches before filter are branch1 branch2 remotes/origin/flutter-3.2-candidate.5"
-    ],
-    "cwd": "[START_DIR]/flutter",
-    "name": "Identify branches.print identified branches",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "identified branches after filter are remotes/origin/flutter-3.2-candidate.5"
-    ],
-    "cwd": "[START_DIR]/flutter",
-    "name": "Identify branches.print identified branches (2)",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "branches before filtering are flutter-3.2-candidate.5"
-    ],
-    "name": "print branches"
-  },
-  {
-    "cmd": [
-      "echo",
-      "branches after filtering are flutter-3.2-candidate.5"
-    ],
-    "name": "print branches (2)"
-  },
-  {
     "cmd": [],
     "name": "Identify branches (2)"
   },
@@ -100,42 +64,6 @@
     ]
   },
   {
-    "cmd": [
-      "echo",
-      "identified branches before filter are branch1 branch2 remotes/origin/flutter-3.2-candidate.5"
-    ],
-    "cwd": "[START_DIR]/flutter",
-    "name": "Identify branches (2).print identified branches",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "identified branches after filter are remotes/origin/flutter-3.2-candidate.5"
-    ],
-    "cwd": "[START_DIR]/flutter",
-    "name": "Identify branches (2).print identified branches (2)",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "commit branches are flutter-3.2-candidate.5"
-    ],
-    "name": "print commit branches"
-  },
-  {
-    "cmd": [
-      "echo",
-      "current branches are verdicted as release branches"
-    ],
-    "name": "check if release branch"
-  },
-  {
     "cmd": [],
     "name": "Identify branches (3)"
   },
@@ -168,28 +96,6 @@
     ]
   },
   {
-    "cmd": [
-      "echo",
-      "identified branches before filter are branch1 branch2 remotes/origin/flutter-3.2-candidate.5"
-    ],
-    "cwd": "[START_DIR]/flutter",
-    "name": "Identify branches (3).print identified branches",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "identified branches after filter are remotes/origin/flutter-3.2-candidate.5"
-    ],
-    "cwd": "[START_DIR]/flutter",
-    "name": "Identify branches (3).print identified branches (2)",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
     "cmd": [],
     "name": "Checkout flutter/flutter"
   },
@@ -777,42 +683,6 @@
     ]
   },
   {
-    "cmd": [
-      "echo",
-      "identified branches before filter are "
-    ],
-    "cwd": "[START_DIR]/flutter/flutter",
-    "name": "Identify branches (4).print identified branches",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "identified branches after filter are "
-    ],
-    "cwd": "[START_DIR]/flutter/flutter",
-    "name": "Identify branches (4).print identified branches (2)",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "branches before filtering are "
-    ],
-    "name": "print branches (3)"
-  },
-  {
-    "cmd": [
-      "echo",
-      "branches after filtering are "
-    ],
-    "name": "print branches (4)"
-  },
-  {
     "cmd": [],
     "name": "Identify branches (5)"
   },
@@ -845,42 +715,6 @@
     ]
   },
   {
-    "cmd": [
-      "echo",
-      "identified branches before filter are "
-    ],
-    "cwd": "[START_DIR]/flutter/flutter",
-    "name": "Identify branches (5).print identified branches",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "identified branches after filter are "
-    ],
-    "cwd": "[START_DIR]/flutter/flutter",
-    "name": "Identify branches (5).print identified branches (2)",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "branches before filtering are "
-    ],
-    "name": "print branches (5)"
-  },
-  {
-    "cmd": [
-      "echo",
-      "branches after filtering are "
-    ],
-    "name": "print branches (6)"
-  },
-  {
     "cmd": [],
     "name": "Identify branches (6)"
   },
@@ -914,42 +748,6 @@
   },
   {
     "cmd": [
-      "echo",
-      "identified branches before filter are "
-    ],
-    "cwd": "[START_DIR]/flutter",
-    "name": "Identify branches (6).print identified branches",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "identified branches after filter are "
-    ],
-    "cwd": "[START_DIR]/flutter",
-    "name": "Identify branches (6).print identified branches (2)",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "branches before filtering are "
-    ],
-    "name": "print branches (7)"
-  },
-  {
-    "cmd": [
-      "echo",
-      "branches after filtering are "
-    ],
-    "name": "print branches (8)"
-  },
-  {
-    "cmd": [
       "git",
       "rev-parse",
       "HEAD"
@@ -992,28 +790,6 @@
   },
   {
     "cmd": [
-      "echo",
-      "identified branches before filter are "
-    ],
-    "cwd": "[START_DIR]/flutter",
-    "name": "Identify branches (7).print identified branches",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "identified branches after filter are "
-    ],
-    "cwd": "[START_DIR]/flutter",
-    "name": "Identify branches (7).print identified branches (2)",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
       "vpython3",
       "-u",
       "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
diff --git a/recipe_modules/repo_util/examples/full.expected/monorepo_release.json b/recipe_modules/repo_util/examples/full.expected/monorepo_release.json
index b276ff6..bb5e949 100644
--- a/recipe_modules/repo_util/examples/full.expected/monorepo_release.json
+++ b/recipe_modules/repo_util/examples/full.expected/monorepo_release.json
@@ -56,90 +56,6 @@
     ]
   },
   {
-    "cmd": [
-      "echo",
-      "identified branches before filter are "
-    ],
-    "cwd": "[START_DIR]/flutter",
-    "luci_context": {
-      "realm": {
-        "name": "dart:ci.sandbox"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Identify branches.print identified branches",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "identified branches after filter are "
-    ],
-    "cwd": "[START_DIR]/flutter",
-    "luci_context": {
-      "realm": {
-        "name": "dart:ci.sandbox"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Identify branches.print identified branches (2)",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "branches before filtering are "
-    ],
-    "luci_context": {
-      "realm": {
-        "name": "dart:ci.sandbox"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "print branches"
-  },
-  {
-    "cmd": [
-      "echo",
-      "branches after filtering are "
-    ],
-    "luci_context": {
-      "realm": {
-        "name": "dart:ci.sandbox"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "print branches (2)"
-  },
-  {
     "cmd": [],
     "name": "Identify branches (2)"
   },
@@ -196,90 +112,6 @@
     ]
   },
   {
-    "cmd": [
-      "echo",
-      "identified branches before filter are "
-    ],
-    "cwd": "[START_DIR]/flutter",
-    "luci_context": {
-      "realm": {
-        "name": "dart:ci.sandbox"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Identify branches (2).print identified branches",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "identified branches after filter are "
-    ],
-    "cwd": "[START_DIR]/flutter",
-    "luci_context": {
-      "realm": {
-        "name": "dart:ci.sandbox"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Identify branches (2).print identified branches (2)",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "commit branches are "
-    ],
-    "luci_context": {
-      "realm": {
-        "name": "dart:ci.sandbox"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "print commit branches"
-  },
-  {
-    "cmd": [
-      "echo",
-      "current branches are not considered release branches"
-    ],
-    "luci_context": {
-      "realm": {
-        "name": "dart:ci.sandbox"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "check if release branch"
-  },
-  {
     "cmd": [],
     "name": "Identify branches (3)"
   },
@@ -336,52 +168,6 @@
     ]
   },
   {
-    "cmd": [
-      "echo",
-      "identified branches before filter are "
-    ],
-    "cwd": "[START_DIR]/flutter",
-    "luci_context": {
-      "realm": {
-        "name": "dart:ci.sandbox"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Identify branches (3).print identified branches",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "identified branches after filter are "
-    ],
-    "cwd": "[START_DIR]/flutter",
-    "luci_context": {
-      "realm": {
-        "name": "dart:ci.sandbox"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Identify branches (3).print identified branches (2)",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
     "cmd": [],
     "name": "Checkout flutter/flutter"
   },
@@ -1412,90 +1198,6 @@
     ]
   },
   {
-    "cmd": [
-      "echo",
-      "identified branches before filter are "
-    ],
-    "cwd": "[START_DIR]/flutter/flutter",
-    "luci_context": {
-      "realm": {
-        "name": "dart:ci.sandbox"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Identify branches (4).print identified branches",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "identified branches after filter are "
-    ],
-    "cwd": "[START_DIR]/flutter/flutter",
-    "luci_context": {
-      "realm": {
-        "name": "dart:ci.sandbox"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Identify branches (4).print identified branches (2)",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "branches before filtering are "
-    ],
-    "luci_context": {
-      "realm": {
-        "name": "dart:ci.sandbox"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "print branches (3)"
-  },
-  {
-    "cmd": [
-      "echo",
-      "branches after filtering are "
-    ],
-    "luci_context": {
-      "realm": {
-        "name": "dart:ci.sandbox"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "print branches (4)"
-  },
-  {
     "cmd": [],
     "name": "Identify branches (5)"
   },
@@ -1552,90 +1254,6 @@
     ]
   },
   {
-    "cmd": [
-      "echo",
-      "identified branches before filter are "
-    ],
-    "cwd": "[START_DIR]/flutter/flutter",
-    "luci_context": {
-      "realm": {
-        "name": "dart:ci.sandbox"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Identify branches (5).print identified branches",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "identified branches after filter are "
-    ],
-    "cwd": "[START_DIR]/flutter/flutter",
-    "luci_context": {
-      "realm": {
-        "name": "dart:ci.sandbox"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Identify branches (5).print identified branches (2)",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "branches before filtering are "
-    ],
-    "luci_context": {
-      "realm": {
-        "name": "dart:ci.sandbox"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "print branches (5)"
-  },
-  {
-    "cmd": [
-      "echo",
-      "branches after filtering are "
-    ],
-    "luci_context": {
-      "realm": {
-        "name": "dart:ci.sandbox"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "print branches (6)"
-  },
-  {
     "cmd": [],
     "name": "Identify branches (6)"
   },
@@ -1693,90 +1311,6 @@
   },
   {
     "cmd": [
-      "echo",
-      "identified branches before filter are "
-    ],
-    "cwd": "[START_DIR]/flutter",
-    "luci_context": {
-      "realm": {
-        "name": "dart:ci.sandbox"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Identify branches (6).print identified branches",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "identified branches after filter are "
-    ],
-    "cwd": "[START_DIR]/flutter",
-    "luci_context": {
-      "realm": {
-        "name": "dart:ci.sandbox"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Identify branches (6).print identified branches (2)",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "branches before filtering are "
-    ],
-    "luci_context": {
-      "realm": {
-        "name": "dart:ci.sandbox"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "print branches (7)"
-  },
-  {
-    "cmd": [
-      "echo",
-      "branches after filtering are "
-    ],
-    "luci_context": {
-      "realm": {
-        "name": "dart:ci.sandbox"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "print branches (8)"
-  },
-  {
-    "cmd": [
       "git",
       "rev-parse",
       "HEAD"
@@ -1855,52 +1389,6 @@
   },
   {
     "cmd": [
-      "echo",
-      "identified branches before filter are "
-    ],
-    "cwd": "[START_DIR]/flutter",
-    "luci_context": {
-      "realm": {
-        "name": "dart:ci.sandbox"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Identify branches (7).print identified branches",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "identified branches after filter are "
-    ],
-    "cwd": "[START_DIR]/flutter",
-    "luci_context": {
-      "realm": {
-        "name": "dart:ci.sandbox"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Identify branches (7).print identified branches (2)",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
       "vpython3",
       "-u",
       "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
diff --git a/recipes/engine_v2/builder.expected/mac.json b/recipes/engine_v2/builder.expected/mac.json
index 697755f..0221440 100644
--- a/recipes/engine_v2/builder.expected/mac.json
+++ b/recipes/engine_v2/builder.expected/mac.json
@@ -2864,204 +2864,6 @@
   },
   {
     "cmd": [
-      "echo",
-      "identified branches before filter are branch1 branch2 remotes/origin/flutter-3.2-candidate.5"
-    ],
-    "cwd": "[CACHE]/builder/src/flutter",
-    "env": {
-      "ANDROID_HOME": "[CACHE]/builder/src/third_party/android_tools/sdk",
-      "ANDROID_SDK_HOME": "[CLEANUP]/tmp_tmp_1",
-      "ANDROID_USER_HOME": "[CLEANUP]/tmp_tmp_1/.android",
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "ENGINE_CHECKOUT_PATH": "[CACHE]/builder",
-      "ENGINE_PATH": "[CACHE]/builder",
-      "GIT_BRANCH": "",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "LUCI_WORKDIR": "[START_DIR]",
-      "OS": "darwin",
-      "REVISION": "abcdabcdabcdabcdabcdabcdabcdabcdabcdabcd"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[CACHE]/builder/src/third_party/dart/tools/sdks/dart-sdk/bin"
-      ]
-    },
-    "env_suffixes": {
-      "DEPOT_TOOLS_UPDATE": [
-        "0"
-      ],
-      "PATH": [
-        "RECIPE_REPO[depot_tools]"
-      ]
-    },
-    "luci_context": {
-      "realm": {
-        "name": "flutter:prod"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Identify branches.print identified branches",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "identified branches after filter are remotes/origin/flutter-3.2-candidate.5"
-    ],
-    "cwd": "[CACHE]/builder/src/flutter",
-    "env": {
-      "ANDROID_HOME": "[CACHE]/builder/src/third_party/android_tools/sdk",
-      "ANDROID_SDK_HOME": "[CLEANUP]/tmp_tmp_1",
-      "ANDROID_USER_HOME": "[CLEANUP]/tmp_tmp_1/.android",
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "ENGINE_CHECKOUT_PATH": "[CACHE]/builder",
-      "ENGINE_PATH": "[CACHE]/builder",
-      "GIT_BRANCH": "",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "LUCI_WORKDIR": "[START_DIR]",
-      "OS": "darwin",
-      "REVISION": "abcdabcdabcdabcdabcdabcdabcdabcdabcdabcd"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[CACHE]/builder/src/third_party/dart/tools/sdks/dart-sdk/bin"
-      ]
-    },
-    "env_suffixes": {
-      "DEPOT_TOOLS_UPDATE": [
-        "0"
-      ],
-      "PATH": [
-        "RECIPE_REPO[depot_tools]"
-      ]
-    },
-    "luci_context": {
-      "realm": {
-        "name": "flutter:prod"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Identify branches.print identified branches (2)",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "commit branches are flutter-3.2-candidate.5"
-    ],
-    "cwd": "[CACHE]/builder/src/flutter",
-    "env": {
-      "ANDROID_HOME": "[CACHE]/builder/src/third_party/android_tools/sdk",
-      "ANDROID_SDK_HOME": "[CLEANUP]/tmp_tmp_1",
-      "ANDROID_USER_HOME": "[CLEANUP]/tmp_tmp_1/.android",
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "ENGINE_CHECKOUT_PATH": "[CACHE]/builder",
-      "ENGINE_PATH": "[CACHE]/builder",
-      "GIT_BRANCH": "",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "LUCI_WORKDIR": "[START_DIR]",
-      "OS": "darwin",
-      "REVISION": "abcdabcdabcdabcdabcdabcdabcdabcdabcdabcd"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[CACHE]/builder/src/third_party/dart/tools/sdks/dart-sdk/bin"
-      ]
-    },
-    "env_suffixes": {
-      "DEPOT_TOOLS_UPDATE": [
-        "0"
-      ],
-      "PATH": [
-        "RECIPE_REPO[depot_tools]"
-      ]
-    },
-    "luci_context": {
-      "realm": {
-        "name": "flutter:prod"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "print commit branches"
-  },
-  {
-    "cmd": [
-      "echo",
-      "current branches are verdicted as release branches"
-    ],
-    "cwd": "[CACHE]/builder/src/flutter",
-    "env": {
-      "ANDROID_HOME": "[CACHE]/builder/src/third_party/android_tools/sdk",
-      "ANDROID_SDK_HOME": "[CLEANUP]/tmp_tmp_1",
-      "ANDROID_USER_HOME": "[CLEANUP]/tmp_tmp_1/.android",
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "ENGINE_CHECKOUT_PATH": "[CACHE]/builder",
-      "ENGINE_PATH": "[CACHE]/builder",
-      "GIT_BRANCH": "",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "LUCI_WORKDIR": "[START_DIR]",
-      "OS": "darwin",
-      "REVISION": "abcdabcdabcdabcdabcdabcdabcdabcdabcdabcd"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[CACHE]/builder/src/third_party/dart/tools/sdks/dart-sdk/bin"
-      ]
-    },
-    "env_suffixes": {
-      "DEPOT_TOOLS_UPDATE": [
-        "0"
-      ],
-      "PATH": [
-        "RECIPE_REPO[depot_tools]"
-      ]
-    },
-    "luci_context": {
-      "realm": {
-        "name": "flutter:prod"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "check if release branch"
-  },
-  {
-    "cmd": [
       "python3",
       "RECIPE_MODULE[flutter::zip]/resources/namelist.py"
     ],
diff --git a/recipes/engine_v2/engine_v2.expected/basic_mac.json b/recipes/engine_v2/engine_v2.expected/basic_mac.json
index d4beafc..5f2fb86 100644
--- a/recipes/engine_v2/engine_v2.expected/basic_mac.json
+++ b/recipes/engine_v2/engine_v2.expected/basic_mac.json
@@ -1164,96 +1164,6 @@
   },
   {
     "cmd": [
-      "echo",
-      "identified branches before filter are "
-    ],
-    "cwd": "[CACHE]/builder/src/flutter",
-    "luci_context": {
-      "realm": {
-        "name": "flutter:prod"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Global generators.Identify branches.print identified branches",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@2@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "identified branches after filter are "
-    ],
-    "cwd": "[CACHE]/builder/src/flutter",
-    "luci_context": {
-      "realm": {
-        "name": "flutter:prod"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Global generators.Identify branches.print identified branches (2)",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@2@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "commit branches are "
-    ],
-    "luci_context": {
-      "realm": {
-        "name": "flutter:prod"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Global generators.print commit branches",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "current branches are not considered release branches"
-    ],
-    "luci_context": {
-      "realm": {
-        "name": "flutter:prod"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Global generators.check if release branch",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
       "python3",
       "RECIPE_MODULE[flutter::zip]/resources/namelist.py"
     ],
diff --git a/recipes/engine_v2/engine_v2.expected/basic_mac_dart_internal.json b/recipes/engine_v2/engine_v2.expected/basic_mac_dart_internal.json
index 06da081..d13afd8 100644
--- a/recipes/engine_v2/engine_v2.expected/basic_mac_dart_internal.json
+++ b/recipes/engine_v2/engine_v2.expected/basic_mac_dart_internal.json
@@ -1241,96 +1241,6 @@
   },
   {
     "cmd": [
-      "echo",
-      "identified branches before filter are "
-    ],
-    "cwd": "[CACHE]/builder/src/flutter",
-    "luci_context": {
-      "realm": {
-        "name": "dart-internal:flutter"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Global generators.Identify branches.print identified branches",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@2@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "identified branches after filter are "
-    ],
-    "cwd": "[CACHE]/builder/src/flutter",
-    "luci_context": {
-      "realm": {
-        "name": "dart-internal:flutter"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Global generators.Identify branches.print identified branches (2)",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@2@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "commit branches are "
-    ],
-    "luci_context": {
-      "realm": {
-        "name": "dart-internal:flutter"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Global generators.print commit branches",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "current branches are not considered release branches"
-    ],
-    "luci_context": {
-      "realm": {
-        "name": "dart-internal:flutter"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Global generators.check if release branch",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
       "python3",
       "RECIPE_MODULE[flutter::zip]/resources/namelist.py"
     ],
diff --git a/recipes/engine_v2/engine_v2.expected/codesign_release_branch.json b/recipes/engine_v2/engine_v2.expected/codesign_release_branch.json
index 652c707..1e0cfa5 100644
--- a/recipes/engine_v2/engine_v2.expected/codesign_release_branch.json
+++ b/recipes/engine_v2/engine_v2.expected/codesign_release_branch.json
@@ -339,90 +339,6 @@
     ]
   },
   {
-    "cmd": [
-      "echo",
-      "identified branches before filter are branch1 branch2 remotes/origin/flutter-3.2-candidate.5"
-    ],
-    "cwd": "[START_DIR]/engine",
-    "luci_context": {
-      "realm": {
-        "name": "proj:try"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Identify branches.print identified branches",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "identified branches after filter are remotes/origin/flutter-3.2-candidate.5"
-    ],
-    "cwd": "[START_DIR]/engine",
-    "luci_context": {
-      "realm": {
-        "name": "proj:try"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Identify branches.print identified branches (2)",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "commit branches are flutter-3.2-candidate.5"
-    ],
-    "luci_context": {
-      "realm": {
-        "name": "proj:try"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "print commit branches"
-  },
-  {
-    "cmd": [
-      "echo",
-      "current branches are verdicted as release branches"
-    ],
-    "luci_context": {
-      "realm": {
-        "name": "proj:try"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "check if release branch"
-  },
-  {
     "cmd": [],
     "name": "Identify branches (2)"
   },
@@ -479,52 +395,6 @@
     ]
   },
   {
-    "cmd": [
-      "echo",
-      "identified branches before filter are "
-    ],
-    "cwd": "[START_DIR]/engine",
-    "luci_context": {
-      "realm": {
-        "name": "proj:try"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Identify branches (2).print identified branches",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "identified branches after filter are "
-    ],
-    "cwd": "[START_DIR]/engine",
-    "luci_context": {
-      "realm": {
-        "name": "proj:try"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Identify branches (2).print identified branches (2)",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
     "cmd": [],
     "name": "launch builds"
   },
@@ -1767,96 +1637,6 @@
   },
   {
     "cmd": [
-      "echo",
-      "identified branches before filter are branch1 branch2 remotes/origin/flutter-3.2-candidate.5"
-    ],
-    "cwd": "[CACHE]/builder/src/flutter",
-    "luci_context": {
-      "realm": {
-        "name": "proj:try"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Global generators.Identify branches.print identified branches",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@2@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "identified branches after filter are remotes/origin/flutter-3.2-candidate.5"
-    ],
-    "cwd": "[CACHE]/builder/src/flutter",
-    "luci_context": {
-      "realm": {
-        "name": "proj:try"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Global generators.Identify branches.print identified branches (2)",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@2@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "commit branches are flutter-3.2-candidate.5"
-    ],
-    "luci_context": {
-      "realm": {
-        "name": "proj:try"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Global generators.print commit branches",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "current branches are verdicted as release branches"
-    ],
-    "luci_context": {
-      "realm": {
-        "name": "proj:try"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Global generators.check if release branch",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
       "python3",
       "RECIPE_MODULE[flutter::zip]/resources/namelist.py"
     ],