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    "cmd": [],
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    "cmd": [],
    "name": "checkout source code.Checkout flutter/packages",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
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  {
    "cmd": [
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      "--url",
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    ],
    "name": "checkout source code.Checkout flutter/packages.git setup",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
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  {
    "cmd": [
      "git",
      "fetch",
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      "--progress",
      "--tags"
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    "env": {
      "PATH": "RECIPE_REPO[depot_tools]:<PATH>"
    },
    "infra_step": true,
    "name": "checkout source code.Checkout flutter/packages.git fetch",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "checkout",
      "-f",
      "FETCH_HEAD"
    ],
    "cwd": "[START_DIR]/packages",
    "infra_step": true,
    "name": "checkout source code.Checkout flutter/packages.git checkout",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "rev-parse",
      "HEAD"
    ],
    "cwd": "[START_DIR]/packages",
    "infra_step": true,
    "name": "checkout source code.Checkout flutter/packages.read revision",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@",
      "@@@STEP_TEXT@<br/>checked out 'deadbeef'<br/>@@@",
      "@@@SET_BUILD_PROPERTY@got_revision@\"deadbeef\"@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "clean",
      "-f",
      "-d",
      "-x"
    ],
    "cwd": "[START_DIR]/packages",
    "infra_step": true,
    "name": "checkout source code.Checkout flutter/packages.git clean",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
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  },
  {
    "cmd": [
      "git",
      "submodule",
      "sync"
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    "cwd": "[START_DIR]/packages",
    "infra_step": true,
    "name": "checkout source code.Checkout flutter/packages.submodule sync",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
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  {
    "cmd": [
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      "--init",
      "--recursive"
    ],
    "cwd": "[START_DIR]/packages",
    "infra_step": true,
    "name": "checkout source code.Checkout flutter/packages.submodule update",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "vpython3",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
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      "/path/to/tmp/json",
      "copy",
      "[START_DIR]/packages/.ci/flutter_master.version",
      "/path/to/tmp/"
    ],
    "infra_step": true,
    "name": "checkout source code.read pinned version",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_LINE@flutter_master.version@refs/heads/master@@@",
      "@@@STEP_LOG_END@flutter_master.version@@@"
    ]
  },
  {
    "cmd": [],
    "name": "checkout source code.Checkout flutter/flutter",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "python3",
      "-u",
      "RECIPE_MODULE[depot_tools::git]/resources/git_setup.py",
      "--path",
      "[START_DIR]/flutter",
      "--url",
      "https://github.com/flutter/flutter"
    ],
    "name": "checkout source code.Checkout flutter/flutter.git setup",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "fetch",
      "origin",
      "master",
      "--recurse-submodules",
      "--progress",
      "--tags"
    ],
    "cwd": "[START_DIR]/flutter",
    "env": {
      "PATH": "RECIPE_REPO[depot_tools]:<PATH>"
    },
    "infra_step": true,
    "name": "checkout source code.Checkout flutter/flutter.git fetch",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "checkout",
      "-f",
      "FETCH_HEAD"
    ],
    "cwd": "[START_DIR]/flutter",
    "infra_step": true,
    "name": "checkout source code.Checkout flutter/flutter.git checkout",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "rev-parse",
      "HEAD"
    ],
    "cwd": "[START_DIR]/flutter",
    "infra_step": true,
    "name": "checkout source code.Checkout flutter/flutter.read revision",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@",
      "@@@STEP_TEXT@<br/>checked out 'deadbeef'<br/>@@@",
      "@@@SET_BUILD_PROPERTY@got_revision@\"deadbeef\"@@@"
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  },
  {
    "cmd": [
      "git",
      "clean",
      "-f",
      "-d",
      "-x"
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    "cwd": "[START_DIR]/flutter",
    "infra_step": true,
    "name": "checkout source code.Checkout flutter/flutter.git clean",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "submodule",
      "sync"
    ],
    "cwd": "[START_DIR]/flutter",
    "infra_step": true,
    "name": "checkout source code.Checkout flutter/flutter.submodule sync",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "submodule",
      "update",
      "--init",
      "--recursive"
    ],
    "cwd": "[START_DIR]/flutter",
    "infra_step": true,
    "name": "checkout source code.Checkout flutter/flutter.submodule update",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "rev-parse",
      "HEAD"
    ],
    "cwd": "[START_DIR]/flutter",
    "infra_step": true,
    "name": "git rev-parse"
  },
  {
    "cmd": [],
    "name": "Dependencies"
  },
  {
    "cmd": [],
    "name": "prepare environment"
  },
  {
    "cmd": [
      "flutter",
      "doctor",
      "-v"
    ],
    "cwd": "[START_DIR]/flutter",
    "env": {
      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
      "GIT_BRANCH": "",
      "LUCI_BRANCH": "",
      "LUCI_CI": "True",
      "LUCI_PR": "",
      "OS": "linux",
      "PUB_CACHE": "[START_DIR]/.pub-cache",
      "REVISION": "12345abcde12345abcde12345abcde12345abcde",
      "SDK_CHECKOUT_PATH": "[START_DIR]/flutter"
    },
    "env_prefixes": {
      "PATH": [
        "[START_DIR]/flutter/bin",
        "[START_DIR]/flutter/bin/cache/dart-sdk/bin"
      ]
    },
    "name": "prepare environment.flutter doctor",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "flutter",
      "update-packages"
    ],
    "cwd": "[START_DIR]/flutter",
    "env": {
      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
      "GIT_BRANCH": "",
      "LUCI_BRANCH": "",
      "LUCI_CI": "True",
      "LUCI_PR": "",
      "OS": "linux",
      "PUB_CACHE": "[START_DIR]/.pub-cache",
      "REVISION": "12345abcde12345abcde12345abcde12345abcde",
      "SDK_CHECKOUT_PATH": "[START_DIR]/flutter"
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    "env_prefixes": {
      "PATH": [
        "[START_DIR]/flutter/bin",
        "[START_DIR]/flutter/bin/cache/dart-sdk/bin"
      ]
    },
    "infra_step": true,
    "name": "prepare environment.download dependencies",
    "timeout": 300,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [],
    "name": "read yaml",
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@yaml@@@@",
      "@@@STEP_LOG_END@yaml@@@"
    ]
  },
  {
    "cmd": [
      "vpython3",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "copy",
      "[START_DIR]/packages/.ci/targets/tests.yaml",
      "/path/to/tmp/"
    ],
    "infra_step": true,
    "name": "read yaml.read",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_END@tests.yaml@@@"
    ]
  },
  {
    "cmd": [
      "vpython",
      "RECIPE_MODULE[flutter::yaml]/resources/parse_yaml.py",
      "--yaml_file",
      "[START_DIR]/packages/.ci/targets/tests.yaml",
      "--json_file",
      "/path/to/tmp/json"
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    "infra_step": true,
    "name": "read yaml.parse",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_LINE@json.output@{@@@",
      "@@@STEP_LOG_LINE@json.output@  \"tasks\": [@@@",
      "@@@STEP_LOG_LINE@json.output@    {@@@",
      "@@@STEP_LOG_LINE@json.output@      \"args\": [@@@",
      "@@@STEP_LOG_LINE@json.output@        \"arg1\", @@@",
      "@@@STEP_LOG_LINE@json.output@        \"arg2\"@@@",
      "@@@STEP_LOG_LINE@json.output@      ], @@@",
      "@@@STEP_LOG_LINE@json.output@      \"name\": \"one\", @@@",
      "@@@STEP_LOG_LINE@json.output@      \"script\": \"myscript\"@@@",
      "@@@STEP_LOG_LINE@json.output@    }@@@",
      "@@@STEP_LOG_LINE@json.output@  ]@@@",
      "@@@STEP_LOG_LINE@json.output@}@@@",
      "@@@STEP_LOG_END@json.output@@@"
    ]
  },
  {
    "cmd": [],
    "name": "Run package tests"
  },
  {
    "cmd": [
      "bash",
      "[START_DIR]/packages/myscript",
      "arg1",
      "arg2"
    ],
    "cwd": "[START_DIR]/packages",
    "env": {
      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
      "GIT_BRANCH": "",
      "LUCI_BRANCH": "",
      "LUCI_CI": "True",
      "LUCI_PR": "",
      "OS": "linux",
      "PUB_CACHE": "[START_DIR]/.pub-cache",
      "REVISION": "12345abcde12345abcde12345abcde12345abcde",
      "SDK_CHECKOUT_PATH": "[START_DIR]/flutter"
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    "env_prefixes": {
      "PATH": [
        "[START_DIR]/flutter/bin",
        "[START_DIR]/flutter/bin/cache/dart-sdk/bin",
        "[START_DIR]/flutter/bin",
        "[START_DIR]/flutter/bin/cache/dart-sdk/bin"
      ]
    },
    "name": "Run package tests.one",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "name": "$result"
  }
]