[
  {
    "cmd": [
      "top",
      "-b",
      "-n",
      "3",
      "-o",
      "%MEM"
    ],
    "infra_step": true,
    "name": "OS info"
  },
  {
    "cmd": [
      "vpython",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "rmtree",
      "[CACHE]/builder"
    ],
    "infra_step": true,
    "name": "Clobber cache"
  },
  {
    "cmd": [
      "vpython",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "rmtree",
      "[CACHE]/builder/src/out"
    ],
    "infra_step": true,
    "name": "Clobber build output"
  },
  {
    "cmd": [
      "vpython",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "ensure-directory",
      "--mode",
      "0777",
      "[CACHE]/builder"
    ],
    "infra_step": true,
    "name": "Ensure checkout cache"
  },
  {
    "cmd": [],
    "name": "ensure goma"
  },
  {
    "cmd": [
      "cipd",
      "ensure",
      "-root",
      "[CACHE]/goma/client",
      "-ensure-file",
      "fuchsia/third_party/goma/client/${platform} integration",
      "-max-threads",
      "0",
      "-json-output",
      "/path/to/tmp/json"
    ],
    "infra_step": true,
    "name": "ensure goma.ensure_installed",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@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-integration-----\", @@@",
      "@@@STEP_LOG_LINE@json.output@        \"package\": \"fuchsia/third_party/goma/client/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": [],
    "name": "Checkout source code"
  },
  {
    "cmd": [
      "vpython",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "rmtree",
      "[CACHE]/builder"
    ],
    "infra_step": true,
    "name": "Checkout source code.Clobber cache",
    "~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",
      "[CACHE]/builder"
    ],
    "infra_step": true,
    "name": "Checkout source code.Ensure checkout cache",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "python",
      "-u",
      "RECIPE_MODULE[depot_tools::bot_update]/resources/bot_update.py",
      "--spec-path",
      "cache_dir = '[CACHE]/git'\nsolutions = [{'deps_file': '.DEPS.git', 'managed': True, 'name': 'src/flutter', 'url': 'https://mygitrepo'}]",
      "--revision_mapping_file",
      "{\"got_engine_revision\": \"src/flutter\"}",
      "--git-cache-dir",
      "[CACHE]/git",
      "--cleanup-dir",
      "[CLEANUP]/bot_update",
      "--output_json",
      "/path/to/tmp/json",
      "--revision",
      "src/flutter@refs/pull/1/head",
      "--refs",
      "refs/pull/1/head"
    ],
    "cwd": "[CACHE]/builder",
    "env": {
      "DEPOT_TOOLS_COLLECT_METRICS": "0",
      "ENGINE_PATH": "[CACHE]/builder",
      "FLUTTER_PREBUILT_DART_SDK": "True",
      "GIT_HTTP_LOW_SPEED_LIMIT": "102400",
      "GIT_HTTP_LOW_SPEED_TIME": "1800",
      "GOMA_DIR": "[CACHE]/goma/client"
    },
    "env_prefixes": {
      "PATH": [
        "[CACHE]/builder/src/third_party/dart/tools/sdks/dart-sdk/bin"
      ]
    },
    "env_suffixes": {
      "DEPOT_TOOLS_UPDATE": [
        "0",
        "0"
      ],
      "PATH": [
        "RECIPE_REPO[depot_tools]",
        "RECIPE_REPO[depot_tools]"
      ]
    },
    "infra_step": true,
    "name": "Checkout source code.bot_update",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_TEXT@Some step text@@@",
      "@@@STEP_LOG_LINE@json.output@{@@@",
      "@@@STEP_LOG_LINE@json.output@  \"did_run\": true, @@@",
      "@@@STEP_LOG_LINE@json.output@  \"fixed_revisions\": {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"src/flutter\": \"refs/pull/1/head\"@@@",
      "@@@STEP_LOG_LINE@json.output@  }, @@@",
      "@@@STEP_LOG_LINE@json.output@  \"manifest\": {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"src/flutter\": {@@@",
      "@@@STEP_LOG_LINE@json.output@      \"repository\": \"https://fake.org/src/flutter.git\", @@@",
      "@@@STEP_LOG_LINE@json.output@      \"revision\": \"a63681edc0f69a72604596b16c7986513e809995\"@@@",
      "@@@STEP_LOG_LINE@json.output@    }@@@",
      "@@@STEP_LOG_LINE@json.output@  }, @@@",
      "@@@STEP_LOG_LINE@json.output@  \"patch_failure\": false, @@@",
      "@@@STEP_LOG_LINE@json.output@  \"patch_root\": \"src/flutter\", @@@",
      "@@@STEP_LOG_LINE@json.output@  \"properties\": {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"got_engine_revision\": \"a63681edc0f69a72604596b16c7986513e809995\", @@@",
      "@@@STEP_LOG_LINE@json.output@    \"got_engine_revision_cp\": \"refs/pull/1/head@{#84512}\"@@@",
      "@@@STEP_LOG_LINE@json.output@  }, @@@",
      "@@@STEP_LOG_LINE@json.output@  \"root\": \"src/flutter\", @@@",
      "@@@STEP_LOG_LINE@json.output@  \"source_manifest\": {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"directories\": {@@@",
      "@@@STEP_LOG_LINE@json.output@      \"src/flutter\": {@@@",
      "@@@STEP_LOG_LINE@json.output@        \"git_checkout\": {@@@",
      "@@@STEP_LOG_LINE@json.output@          \"repo_url\": \"https://fake.org/src/flutter.git\", @@@",
      "@@@STEP_LOG_LINE@json.output@          \"revision\": \"a63681edc0f69a72604596b16c7986513e809995\"@@@",
      "@@@STEP_LOG_LINE@json.output@        }@@@",
      "@@@STEP_LOG_LINE@json.output@      }@@@",
      "@@@STEP_LOG_LINE@json.output@    }, @@@",
      "@@@STEP_LOG_LINE@json.output@    \"version\": 0@@@",
      "@@@STEP_LOG_LINE@json.output@  }, @@@",
      "@@@STEP_LOG_LINE@json.output@  \"step_text\": \"Some step text\"@@@",
      "@@@STEP_LOG_LINE@json.output@}@@@",
      "@@@STEP_LOG_END@json.output@@@",
      "@@@SET_BUILD_PROPERTY@got_engine_revision@\"a63681edc0f69a72604596b16c7986513e809995\"@@@",
      "@@@SET_BUILD_PROPERTY@got_engine_revision_cp@\"refs/pull/1/head@{#84512}\"@@@"
    ]
  },
  {
    "cmd": [
      "python",
      "-u",
      "RECIPE_REPO[depot_tools]/gclient.py",
      "runhooks"
    ],
    "cwd": "[CACHE]/builder",
    "env": {
      "ENGINE_PATH": "[CACHE]/builder",
      "FLUTTER_PREBUILT_DART_SDK": "True",
      "GOMA_DIR": "[CACHE]/goma/client"
    },
    "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]",
        "RECIPE_REPO[depot_tools]"
      ]
    },
    "name": "Checkout source code.gclient runhooks",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "python",
      "-u",
      "RECIPE_REPO[depot_tools]/gclient.py",
      "runhooks"
    ],
    "cwd": "[CACHE]/builder",
    "env": {
      "ENGINE_PATH": "[CACHE]/builder",
      "FLUTTER_PREBUILT_DART_SDK": "True",
      "GOMA_DIR": "[CACHE]/goma/client"
    },
    "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]",
        "RECIPE_REPO[depot_tools]"
      ]
    },
    "name": "gclient runhooks"
  },
  {
    "cmd": [
      "python",
      "[CACHE]/builder/src/flutter/tools/gn",
      "--goma",
      "--unoptimized",
      "--full-dart-sdk",
      "--prebuilt-dart-sdk"
    ],
    "cwd": "[CACHE]/builder",
    "env": {
      "ENGINE_PATH": "[CACHE]/builder",
      "FLUTTER_PREBUILT_DART_SDK": "True",
      "GOMA_DIR": "[CACHE]/goma/client"
    },
    "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]"
      ]
    },
    "name": "gn --unoptimized --full-dart-sdk --prebuilt-dart-sdk"
  },
  {
    "cmd": [],
    "name": "setup goma"
  },
  {
    "cmd": [
      "python3",
      "[CACHE]/goma/client/goma_ctl.py",
      "restart"
    ],
    "cwd": "[CACHE]/builder",
    "env": {
      "ENGINE_PATH": "[CACHE]/builder",
      "FLUTTER_PREBUILT_DART_SDK": "True",
      "GLOG_log_dir": "[CLEANUP]",
      "GOMA_CACHE_DIR": "[CACHE]/goma",
      "GOMA_DEPS_CACHE_FILE": "goma_deps_cache",
      "GOMA_DIR": "[CACHE]/goma/client",
      "GOMA_DUMP_STATS_FILE": "[CACHE]/goma/client/goma_stats.json",
      "GOMA_LOCAL_OUTPUT_CACHE_DIR": "[CACHE]/goma/localoutputcache",
      "GOMA_MAX_SUM_OUTPUT_SIZE_IN_MB": "256",
      "GOMA_SERVER_HOST": "rbe-prod1.endpoints.fuchsia-infra-goma-prod.cloud.goog",
      "GOMA_STORE_LOCAL_RUN_OUTPUT": "True",
      "GOMA_TMP_DIR": "[CLEANUP]/goma",
      "GOMA_USE_LOCAL": "False"
    },
    "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]"
      ]
    },
    "infra_step": true,
    "name": "setup goma.start goma",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "RECIPE_REPO[depot_tools]/ninja",
      "-j",
      "200",
      "-C",
      "[CACHE]/builder/src/out/host_debug_unopt"
    ],
    "cwd": "[CACHE]/builder",
    "env": {
      "ENGINE_PATH": "[CACHE]/builder",
      "FLUTTER_PREBUILT_DART_SDK": "True",
      "GOMA_DIR": "[CACHE]/goma/client",
      "GOMA_TMP_DIR": "[CLEANUP]/goma",
      "GOMA_USE_LOCAL": "False"
    },
    "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]"
      ]
    },
    "name": "build host_debug_unopt"
  },
  {
    "cmd": [],
    "name": "teardown goma"
  },
  {
    "cmd": [
      "python3",
      "[CACHE]/goma/client/goma_ctl.py",
      "jsonstatus",
      "[CACHE]/goma/client/jsonstatus"
    ],
    "cwd": "[CACHE]/builder",
    "env": {
      "ENGINE_PATH": "[CACHE]/builder",
      "FLUTTER_PREBUILT_DART_SDK": "True",
      "GLOG_log_dir": "[CLEANUP]",
      "GOMA_CACHE_DIR": "[CACHE]/goma",
      "GOMA_DEPS_CACHE_FILE": "goma_deps_cache",
      "GOMA_DIR": "[CACHE]/goma/client",
      "GOMA_DUMP_STATS_FILE": "[CACHE]/goma/client/goma_stats.json",
      "GOMA_LOCAL_OUTPUT_CACHE_DIR": "[CACHE]/goma/localoutputcache",
      "GOMA_MAX_SUM_OUTPUT_SIZE_IN_MB": "256",
      "GOMA_SERVER_HOST": "rbe-prod1.endpoints.fuchsia-infra-goma-prod.cloud.goog",
      "GOMA_STORE_LOCAL_RUN_OUTPUT": "True",
      "GOMA_TMP_DIR": "[CLEANUP]/goma",
      "GOMA_USE_LOCAL": "False"
    },
    "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]"
      ]
    },
    "name": "teardown goma.goma jsonstatus",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_LINE@json.output@{@@@",
      "@@@STEP_LOG_LINE@json.output@  \"notice\": [@@@",
      "@@@STEP_LOG_LINE@json.output@    {@@@",
      "@@@STEP_LOG_LINE@json.output@      \"infra_status\": {@@@",
      "@@@STEP_LOG_LINE@json.output@        \"num_user_error\": 0, @@@",
      "@@@STEP_LOG_LINE@json.output@        \"ping_status_code\": 200@@@",
      "@@@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": [
      "python3",
      "[CACHE]/goma/client/goma_ctl.py",
      "stat"
    ],
    "cwd": "[CACHE]/builder",
    "env": {
      "ENGINE_PATH": "[CACHE]/builder",
      "FLUTTER_PREBUILT_DART_SDK": "True",
      "GLOG_log_dir": "[CLEANUP]",
      "GOMA_CACHE_DIR": "[CACHE]/goma",
      "GOMA_DEPS_CACHE_FILE": "goma_deps_cache",
      "GOMA_DIR": "[CACHE]/goma/client",
      "GOMA_DUMP_STATS_FILE": "[CACHE]/goma/client/goma_stats.json",
      "GOMA_LOCAL_OUTPUT_CACHE_DIR": "[CACHE]/goma/localoutputcache",
      "GOMA_MAX_SUM_OUTPUT_SIZE_IN_MB": "256",
      "GOMA_SERVER_HOST": "rbe-prod1.endpoints.fuchsia-infra-goma-prod.cloud.goog",
      "GOMA_STORE_LOCAL_RUN_OUTPUT": "True",
      "GOMA_TMP_DIR": "[CLEANUP]/goma",
      "GOMA_USE_LOCAL": "False"
    },
    "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]"
      ]
    },
    "name": "teardown goma.goma stats",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "python3",
      "[CACHE]/goma/client/goma_ctl.py",
      "stop"
    ],
    "cwd": "[CACHE]/builder",
    "env": {
      "ENGINE_PATH": "[CACHE]/builder",
      "FLUTTER_PREBUILT_DART_SDK": "True",
      "GLOG_log_dir": "[CLEANUP]",
      "GOMA_CACHE_DIR": "[CACHE]/goma",
      "GOMA_DEPS_CACHE_FILE": "goma_deps_cache",
      "GOMA_DIR": "[CACHE]/goma/client",
      "GOMA_DUMP_STATS_FILE": "[CACHE]/goma/client/goma_stats.json",
      "GOMA_LOCAL_OUTPUT_CACHE_DIR": "[CACHE]/goma/localoutputcache",
      "GOMA_MAX_SUM_OUTPUT_SIZE_IN_MB": "256",
      "GOMA_SERVER_HOST": "rbe-prod1.endpoints.fuchsia-infra-goma-prod.cloud.goog",
      "GOMA_STORE_LOCAL_RUN_OUTPUT": "True",
      "GOMA_TMP_DIR": "[CLEANUP]/goma",
      "GOMA_USE_LOCAL": "False"
    },
    "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]"
      ]
    },
    "name": "teardown goma.stop goma",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "vpython",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "copy",
      "[CLEANUP]/compiler_proxy.WARNING",
      "/path/to/tmp/"
    ],
    "cwd": "[CACHE]/builder",
    "env": {
      "ENGINE_PATH": "[CACHE]/builder",
      "FLUTTER_PREBUILT_DART_SDK": "True",
      "GOMA_DIR": "[CACHE]/goma/client",
      "GOMA_TMP_DIR": "[CLEANUP]/goma",
      "GOMA_USE_LOCAL": "False"
    },
    "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]"
      ]
    },
    "infra_step": true,
    "name": "teardown goma.read goma_client warning log",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_LINE@compiler_proxy.WARNING@test log@@@",
      "@@@STEP_LOG_END@compiler_proxy.WARNING@@@"
    ]
  },
  {
    "cmd": [
      "vpython",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "copy",
      "[CACHE]/goma/client/goma_stats.json",
      "/path/to/tmp/"
    ],
    "cwd": "[CACHE]/builder",
    "env": {
      "ENGINE_PATH": "[CACHE]/builder",
      "FLUTTER_PREBUILT_DART_SDK": "True",
      "GOMA_DIR": "[CACHE]/goma/client",
      "GOMA_TMP_DIR": "[CLEANUP]/goma",
      "GOMA_USE_LOCAL": "False"
    },
    "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]"
      ]
    },
    "infra_step": true,
    "name": "teardown goma.read goma_stats.json",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "vpython",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "copytree",
      "[CACHE]/builder/src/out/host_debug_unopt",
      "[CLEANUP]/cas-directory_tmp_1/host_debug_unopt"
    ],
    "cwd": "[CACHE]/builder",
    "env": {
      "ENGINE_PATH": "[CACHE]/builder",
      "FLUTTER_PREBUILT_DART_SDK": "True",
      "GOMA_DIR": "[CACHE]/goma/client"
    },
    "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]"
      ]
    },
    "infra_step": true,
    "name": "Copy host_debug_unopt"
  },
  {
    "cmd": [
      "vpython",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "copytree",
      "[CACHE]/builder/src/out/host_debug_unopt",
      "[CLEANUP]/cas-directory_tmp_1/flutter"
    ],
    "cwd": "[CACHE]/builder",
    "env": {
      "ENGINE_PATH": "[CACHE]/builder",
      "FLUTTER_PREBUILT_DART_SDK": "True",
      "GOMA_DIR": "[CACHE]/goma/client"
    },
    "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]"
      ]
    },
    "infra_step": true,
    "name": "Copy source"
  },
  {
    "cmd": [
      "vpython",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "copy",
      "RECIPE_MODULE[recipe_engine::cas]/resources/infra.sha1",
      "/path/to/tmp/"
    ],
    "cwd": "[CACHE]/builder",
    "env": {
      "ENGINE_PATH": "[CACHE]/builder",
      "FLUTTER_PREBUILT_DART_SDK": "True",
      "GOMA_DIR": "[CACHE]/goma/client"
    },
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