[
  {
    "cmd": [],
    "name": "Checkout flutter/flutter"
  },
  {
    "cmd": [
      "python",
      "-u",
      "RECIPE_MODULE[depot_tools::git]/resources/git_setup.py",
      "--path",
      "[START_DIR]/flutter",
      "--url",
      "https://chromium.googlesource.com/external/github.com/flutter/flutter"
    ],
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Checkout flutter/flutter.git setup",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "fetch",
      "origin",
      "stable",
      "--recurse-submodules",
      "--progress",
      "--tags"
    ],
    "cwd": "[START_DIR]/flutter",
    "env": {
      "PATH": "RECIPE_REPO[depot_tools]:<PATH>"
    },
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Checkout flutter/flutter.git fetch",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "checkout",
      "-f",
      "FETCH_HEAD"
    ],
    "cwd": "[START_DIR]/flutter",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Checkout flutter/flutter.git checkout",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "rev-parse",
      "HEAD"
    ],
    "cwd": "[START_DIR]/flutter",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Checkout flutter/flutter.read revision",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_TEXT@<br/>checked out 'deadbeef'<br/>@@@",
      "@@@SET_BUILD_PROPERTY@got_revision@\"deadbeef\"@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "clean",
      "-f",
      "-d",
      "-x"
    ],
    "cwd": "[START_DIR]/flutter",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Checkout flutter/flutter.git clean",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "submodule",
      "sync"
    ],
    "cwd": "[START_DIR]/flutter",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Checkout flutter/flutter.submodule sync",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "submodule",
      "update",
      "--init",
      "--recursive"
    ],
    "cwd": "[START_DIR]/flutter",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Checkout flutter/flutter.submodule update",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [],
    "name": "Checkout flutter/cocoon"
  },
  {
    "cmd": [
      "python",
      "-u",
      "RECIPE_MODULE[depot_tools::git]/resources/git_setup.py",
      "--path",
      "[START_DIR]/cocoon",
      "--url",
      "https://flutter.googlesource.com/mirrors/cocoon"
    ],
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Checkout flutter/cocoon.git setup",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "fetch",
      "origin",
      "main",
      "--recurse-submodules",
      "--progress",
      "--tags"
    ],
    "cwd": "[START_DIR]/cocoon",
    "env": {
      "PATH": "RECIPE_REPO[depot_tools]:<PATH>"
    },
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Checkout flutter/cocoon.git fetch",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "checkout",
      "-f",
      "FETCH_HEAD"
    ],
    "cwd": "[START_DIR]/cocoon",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Checkout flutter/cocoon.git checkout",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "rev-parse",
      "HEAD"
    ],
    "cwd": "[START_DIR]/cocoon",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Checkout flutter/cocoon.read revision",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_TEXT@<br/>checked out 'deadbeef'<br/>@@@",
      "@@@SET_BUILD_PROPERTY@got_revision@\"deadbeef\"@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "clean",
      "-f",
      "-d",
      "-x"
    ],
    "cwd": "[START_DIR]/cocoon",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Checkout flutter/cocoon.git clean",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "submodule",
      "sync"
    ],
    "cwd": "[START_DIR]/cocoon",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Checkout flutter/cocoon.submodule sync",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "submodule",
      "update",
      "--init",
      "--recursive"
    ],
    "cwd": "[START_DIR]/cocoon",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Checkout flutter/cocoon.submodule update",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [],
    "name": "Checkout flutter/infra"
  },
  {
    "cmd": [
      "python",
      "-u",
      "RECIPE_MODULE[depot_tools::git]/resources/git_setup.py",
      "--path",
      "[START_DIR]/infra",
      "--url",
      "https://flutter.googlesource.com/infra"
    ],
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Checkout flutter/infra.git setup",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "fetch",
      "origin",
      "main",
      "--recurse-submodules",
      "--progress",
      "--tags"
    ],
    "cwd": "[START_DIR]/infra",
    "env": {
      "PATH": "RECIPE_REPO[depot_tools]:<PATH>"
    },
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Checkout flutter/infra.git fetch",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "checkout",
      "-f",
      "FETCH_HEAD"
    ],
    "cwd": "[START_DIR]/infra",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Checkout flutter/infra.git checkout",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "rev-parse",
      "HEAD"
    ],
    "cwd": "[START_DIR]/infra",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Checkout flutter/infra.read revision",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_TEXT@<br/>checked out 'deadbeef'<br/>@@@",
      "@@@SET_BUILD_PROPERTY@got_revision@\"deadbeef\"@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "clean",
      "-f",
      "-d",
      "-x"
    ],
    "cwd": "[START_DIR]/infra",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Checkout flutter/infra.git clean",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "submodule",
      "sync"
    ],
    "cwd": "[START_DIR]/infra",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Checkout flutter/infra.submodule sync",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "submodule",
      "update",
      "--init",
      "--recursive"
    ],
    "cwd": "[START_DIR]/infra",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Checkout flutter/infra.submodule update",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "cipd",
      "ensure",
      "-root",
      "[START_DIR]/protoc",
      "-ensure-file",
      "infra/3pp/tools/protoc/${platform} version:2@3.17.3",
      "-max-threads",
      "0",
      "-json-output",
      "/path/to/tmp/json"
    ],
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "ensure_installed",
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@json.output@{@@@",
      "@@@STEP_LOG_LINE@json.output@  \"result\": {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"\": [@@@",
      "@@@STEP_LOG_LINE@json.output@      {@@@",
      "@@@STEP_LOG_LINE@json.output@        \"instance_id\": \"resolved-instance_id-of-version:2@3.17.3\", @@@",
      "@@@STEP_LOG_LINE@json.output@        \"package\": \"infra/3pp/tools/protoc/resolved-platform\"@@@",
      "@@@STEP_LOG_LINE@json.output@      }@@@",
      "@@@STEP_LOG_LINE@json.output@    ]@@@",
      "@@@STEP_LOG_LINE@json.output@  }@@@",
      "@@@STEP_LOG_LINE@json.output@}@@@",
      "@@@STEP_LOG_END@json.output@@@"
    ]
  },
  {
    "cmd": [
      "flutter",
      "doctor"
    ],
    "cwd": "[START_DIR]/cocoon/app_dart",
    "env": {
      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
      "GIT_BRANCH": "main",
      "LUCI_BRANCH": "",
      "LUCI_CI": "True",
      "LUCI_PR": "",
      "OS": "linux",
      "PUB_CACHE": "[START_DIR]/.pub-cache",
      "SDK_CHECKOUT_PATH": "[START_DIR]/flutter"
    },
    "env_prefixes": {
      "PATH": [
        "[START_DIR]/flutter/bin",
        "[START_DIR]/flutter/bin/cache/dart-sdk/bin"
      ]
    },
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "flutter doctor"
  },
  {
    "cmd": [
      "pub",
      "get"
    ],
    "cwd": "[START_DIR]/cocoon/app_dart",
    "env": {
      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
      "GIT_BRANCH": "main",
      "LUCI_BRANCH": "",
      "LUCI_CI": "True",
      "LUCI_PR": "",
      "OS": "linux",
      "PUB_CACHE": "[START_DIR]/.pub-cache",
      "SDK_CHECKOUT_PATH": "[START_DIR]/flutter"
    },
    "env_prefixes": {
      "PATH": [
        "[START_DIR]/flutter/bin",
        "[START_DIR]/flutter/bin/cache/dart-sdk/bin"
      ]
    },
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "pub get"
  },
  {
    "cmd": [
      "dart",
      "[START_DIR]/cocoon/app_dart/bin/generate_jspb.dart",
      "engine",
      "abc123"
    ],
    "cwd": "[START_DIR]/cocoon/app_dart",
    "env": {
      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
      "GIT_BRANCH": "main",
      "LUCI_BRANCH": "",
      "LUCI_CI": "True",
      "LUCI_PR": "",
      "OS": "linux",
      "PUB_CACHE": "[START_DIR]/.pub-cache",
      "SDK_CHECKOUT_PATH": "[START_DIR]/flutter"
    },
    "env_prefixes": {
      "PATH": [
        "[START_DIR]/flutter/bin",
        "[START_DIR]/flutter/bin/cache/dart-sdk/bin"
      ]
    },
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "generate jspb"
  },
  {
    "cmd": [
      "vpython",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "copy",
      "{\"hello\": \"world\"}",
      "[START_DIR]/infra/config/generated/ci_yaml/engine_config.json"
    ],
    "cwd": "[START_DIR]/cocoon/app_dart",
    "env": {
      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
      "GIT_BRANCH": "main",
      "LUCI_BRANCH": "",
      "LUCI_CI": "True",
      "LUCI_PR": "",
      "OS": "linux",
      "PUB_CACHE": "[START_DIR]/.pub-cache",
      "SDK_CHECKOUT_PATH": "[START_DIR]/flutter"
    },
    "env_prefixes": {
      "PATH": [
        "[START_DIR]/flutter/bin",
        "[START_DIR]/flutter/bin/cache/dart-sdk/bin"
      ]
    },
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "write jspb"
  },
  {
    "cmd": [
      "cp",
      "[START_DIR]/cocoon/app_dart/lib/src/model/proto/internal/scheduler.proto",
      "[START_DIR]/infra/config/lib/ci_yaml"
    ],
    "env_prefixes": {
      "PATH": [
        "[START_DIR]/protoc/bin"
      ]
    },
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Roll scheduler.proto"
  },
  {
    "cmd": [
      "bash",
      "[START_DIR]/infra/config/lib/ci_yaml/compile_proto.sh"
    ],
    "env_prefixes": {
      "PATH": [
        "[START_DIR]/protoc/bin"
      ]
    },
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Compile scheduler.proto"
  },
  {
    "cmd": [
      "lucicfg",
      "generate",
      "config/main.star"
    ],
    "cwd": "[START_DIR]/infra",
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "luci generate"
  },
  {
    "cmd": [
      "lucicfg",
      "validate",
      "config/main.star"
    ],
    "cwd": "[START_DIR]/infra",
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "luci validate"
  },
  {
    "cmd": [
      "git",
      "ls-files",
      "--modified",
      "--deleted",
      "--exclude-standard"
    ],
    "cwd": "[START_DIR]/infra",
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "check for no-op commit",
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@stdout@hello@@@",
      "@@@STEP_LOG_END@stdout@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "add",
      "--update"
    ],
    "cwd": "[START_DIR]/infra",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "git add"
  },
  {
    "cmd": [
      "git",
      "rev-parse",
      "HEAD"
    ],
    "cwd": "[START_DIR]/infra",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "git rev-parse"
  },
  {
    "cmd": [],
    "name": "calculate Change-Id",
    "~followup_annotations": [
      "@@@STEP_TEXT@I28135185e8ac8c69d0b894c4be54ddbb0ea69d5c@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "diff",
      "--unified=0",
      "--cached"
    ],
    "cwd": "[START_DIR]/infra",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "calculate Change-Id.git diff",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_LINE@diff (without hashes)@diff --git a/foo.txt b/foo.txt@@@",
      "@@@STEP_LOG_LINE@diff (without hashes)@--- a/foo.txt@@@",
      "@@@STEP_LOG_LINE@diff (without hashes)@+++ b/foo.txt@@@",
      "@@@STEP_LOG_LINE@diff (without hashes)@@@ -16 +16 @@@@@",
      "@@@STEP_LOG_LINE@diff (without hashes)@-        foo = 5@@@",
      "@@@STEP_LOG_LINE@diff (without hashes)@+        foo = 6@@@",
      "@@@STEP_LOG_LINE@diff (without hashes)@diff --git a/bar.txt b/bar.txt@@@",
      "@@@STEP_LOG_LINE@diff (without hashes)@--- a/bar.txt@@@",
      "@@@STEP_LOG_LINE@diff (without hashes)@+++ b/bar.txt@@@",
      "@@@STEP_LOG_LINE@diff (without hashes)@@@ -5 +5 @@@@@",
      "@@@STEP_LOG_LINE@diff (without hashes)@-        bar = 0@@@",
      "@@@STEP_LOG_LINE@diff (without hashes)@+        bar = 1@@@",
      "@@@STEP_LOG_LINE@diff (without hashes)@@@@",
      "@@@STEP_LOG_END@diff (without hashes)@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "hash-object",
      "diff --git a/foo.txt b/foo.txt\n--- a/foo.txt\n+++ b/foo.txt\n@@ -16 +16 @@\n-        foo = 5\n+        foo = 6\ndiff --git a/bar.txt b/bar.txt\n--- a/bar.txt\n+++ b/bar.txt\n@@ -5 +5 @@\n-        bar = 0\n+        bar = 1\n####builder########"
    ],
    "cwd": "[START_DIR]/infra",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "calculate Change-Id.git hash-object",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [],
    "name": "ensure gerrit"
  },
  {
    "cmd": [
      "vpython",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "copy",
      "RECIPE_MODULE[fuchsia::gerrit]/resources/tool_manifest.json",
      "/path/to/tmp/json"
    ],
    "cwd": "[START_DIR]/infra",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "ensure gerrit.read manifest",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_LINE@tool_manifest.json@{@@@",
      "@@@STEP_LOG_LINE@tool_manifest.json@  \"path\": \"path/to/gerrit\",@@@",
      "@@@STEP_LOG_LINE@tool_manifest.json@  \"version\": \"version:pinned-version\"@@@",
      "@@@STEP_LOG_LINE@tool_manifest.json@}@@@",
      "@@@STEP_LOG_END@tool_manifest.json@@@"
    ]
  },
  {
    "cmd": [],
    "name": "ensure gerrit.install path/to/gerrit",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "vpython",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "ensure-directory",
      "--mode",
      "0777",
      "[START_DIR]/cipd_tool/path/to/gerrit/version%3Apinned-version"
    ],
    "cwd": "[START_DIR]/infra",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "ensure gerrit.install path/to/gerrit.ensure package directory",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "cipd",
      "ensure",
      "-root",
      "[START_DIR]/cipd_tool/path/to/gerrit/version%3Apinned-version",
      "-ensure-file",
      "path/to/gerrit version:pinned-version",
      "-max-threads",
      "0",
      "-json-output",
      "/path/to/tmp/json"
    ],
    "cwd": "[START_DIR]/infra",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "ensure gerrit.install path/to/gerrit.ensure_installed",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@",
      "@@@STEP_LOG_LINE@json.output@{@@@",
      "@@@STEP_LOG_LINE@json.output@  \"result\": {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"\": [@@@",
      "@@@STEP_LOG_LINE@json.output@      {@@@",
      "@@@STEP_LOG_LINE@json.output@        \"instance_id\": \"resolved-instance_id-of-version:pinned-v\", @@@",
      "@@@STEP_LOG_LINE@json.output@        \"package\": \"path/to/gerrit\"@@@",
      "@@@STEP_LOG_LINE@json.output@      }@@@",
      "@@@STEP_LOG_LINE@json.output@    ]@@@",
      "@@@STEP_LOG_LINE@json.output@  }@@@",
      "@@@STEP_LOG_LINE@json.output@}@@@",
      "@@@STEP_LOG_END@json.output@@@"
    ]
  },
  {
    "cmd": [
      "[START_DIR]/cipd_tool/path/to/gerrit/version%3Apinned-version/gerrit",
      "change-query",
      "-host",
      "https://flutter-review.googlesource.com",
      "-input",
      "{\"params\": {\"o\": [\"CURRENT_COMMIT\", \"CURRENT_REVISION\", \"MESSAGES\"], \"q\": \"change:infra~main~I28135185e8ac8c69d0b894c4be54ddbb0ea69d5c\"}}",
      "-output",
      "/path/to/tmp/json"
    ],
    "cwd": "[START_DIR]/infra",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "check for identical roll",
    "timeout": 600,
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@json.output@null@@@",
      "@@@STEP_LOG_END@json.output@@@",
      "@@@STEP_LOG_LINE@json.input@{@@@",
      "@@@STEP_LOG_LINE@json.input@  \"params\": {@@@",
      "@@@STEP_LOG_LINE@json.input@    \"o\": [@@@",
      "@@@STEP_LOG_LINE@json.input@      \"CURRENT_COMMIT\", @@@",
      "@@@STEP_LOG_LINE@json.input@      \"CURRENT_REVISION\", @@@",
      "@@@STEP_LOG_LINE@json.input@      \"MESSAGES\"@@@",
      "@@@STEP_LOG_LINE@json.input@    ], @@@",
      "@@@STEP_LOG_LINE@json.input@    \"q\": \"change:infra~main~I28135185e8ac8c69d0b894c4be54ddbb0ea69d5c\"@@@",
      "@@@STEP_LOG_LINE@json.input@  }@@@",
      "@@@STEP_LOG_LINE@json.input@}@@@",
      "@@@STEP_LOG_END@json.input@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "commit",
      "-m",
      "Roll engine to abc123\n\nRoller-URL: https://ci.chromium.org/b/8945511751514863184\nCq-Cl-Tag: roller-builder:builder\nCq-Cl-Tag: roller-bid:8945511751514863184\nCQ-Do-Not-Cancel-Tryjobs: true\nChange-Id: I28135185e8ac8c69d0b894c4be54ddbb0ea69d5c",
      "-a"
    ],
    "cwd": "[START_DIR]/infra",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "git commit"
  },
  {
    "cmd": [
      "git",
      "push",
      "--push-option",
      "nokeycheck",
      "origin",
      "HEAD:refs/for/main%l=Bot-Commit+1,l=Commit-Queue+2"
    ],
    "cwd": "[START_DIR]/infra",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "git push",
    "timeout": 180.0,
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@stdout@@@@",
      "@@@STEP_LOG_END@stdout@@@",
      "@@@STEP_LINK@gerrit link@https://flutter-review.googlesource.com/q/infra~main~I28135185e8ac8c69d0b894c4be54ddbb0ea69d5c@@@"
    ]
  },
  {
    "cmd": [],
    "name": "check for completion"
  },
  {
    "cmd": [
      "[START_DIR]/cipd_tool/path/to/gerrit/version%3Apinned-version/gerrit",
      "change-detail",
      "-host",
      "https://flutter-review.googlesource.com",
      "-input",
      "{\"change_id\": \"infra~main~I28135185e8ac8c69d0b894c4be54ddbb0ea69d5c\", \"params\": {\"o\": [\"CURRENT_REVISION\"]}}",
      "-output",
      "/path/to/tmp/json"
    ],
    "cwd": "[START_DIR]/infra",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:staging"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "check for completion.check if done (0)",
    "timeout": 600,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_LINE@json.output@{@@@",
      "@@@STEP_LOG_LINE@json.output@  \"current_revision\": \"abc123\", @@@",
      "@@@STEP_LOG_LINE@json.output@  \"labels\": {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"Commit-Queue\": {@@@",
      "@@@STEP_LOG_LINE@json.output@      \"approved\": {}@@@",
      "@@@STEP_LOG_LINE@json.output@    }@@@",
      "@@@STEP_LOG_LINE@json.output@  }, @@@",
      "@@@STEP_LOG_LINE@json.output@  \"status\": \"MERGED\"@@@",
      "@@@STEP_LOG_LINE@json.output@}@@@",
      "@@@STEP_LOG_END@json.output@@@",
      "@@@STEP_LOG_LINE@json.input@{@@@",
      "@@@STEP_LOG_LINE@json.input@  \"change_id\": \"infra~main~I28135185e8ac8c69d0b894c4be54ddbb0ea69d5c\", @@@",
      "@@@STEP_LOG_LINE@json.input@  \"params\": {@@@",
      "@@@STEP_LOG_LINE@json.input@    \"o\": [@@@",
      "@@@STEP_LOG_LINE@json.input@      \"CURRENT_REVISION\"@@@",
      "@@@STEP_LOG_LINE@json.input@    ]@@@",
      "@@@STEP_LOG_LINE@json.input@  }@@@",
      "@@@STEP_LOG_LINE@json.input@}@@@",
      "@@@STEP_LOG_END@json.input@@@",
      "@@@STEP_LINK@gerrit link@https://flutter-review.googlesource.com/q/infra~main~I28135185e8ac8c69d0b894c4be54ddbb0ea69d5c@@@"
    ]
  },
  {
    "name": "$result"
  }
]