[
  {
    "cmd": [
      "top",
      "-l",
      "3",
      "-o",
      "mem"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "OS info"
  },
  {
    "cmd": [
      "xattr",
      "/opt/s/w/ir/cipd_bin_packages/python3"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "python3 xattr info"
  },
  {
    "cmd": [
      "xattr",
      "/opt/s/w/ir/cipd_bin_packages/git"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "git xattr info"
  },
  {
    "cmd": [
      "vpython3",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "rmtree",
      "[CACHE]/builder/src/out"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Clobber build output"
  },
  {
    "cmd": [
      "vpython3",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "ensure-directory",
      "--mode",
      "0777",
      "[CACHE]/builder"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Ensure checkout cache"
  },
  {
    "cmd": [],
    "name": "Checkout source code"
  },
  {
    "cmd": [
      "vpython3",
      "-u",
      "RECIPE_MODULE[depot_tools::bot_update]/resources/bot_update.py",
      "--spec-path",
      "cache_dir = '[CACHE]/git'\nsolutions = [{'deps_file': '.DEPS.git', 'managed': False, 'name': 'src/flutter', 'url': 'https://flutter.googlesource.com/mirrors/engine'}]",
      "--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@abcd1234",
      "--refs",
      "refs/heads/main"
    ],
    "cwd": "[CACHE]/builder",
    "env": {
      "ANDROID_HOME": "[CACHE]/builder/src/third_party/android_tools/sdk",
      "DEPOT_TOOLS_REPORT_BUILD": "flutter/prod/Mac Engine/8945511751514863184",
      "FLUTTER_PREBUILT_DART_SDK": "True",
      "GIT_HTTP_LOW_SPEED_LIMIT": "102400",
      "GIT_HTTP_LOW_SPEED_TIME": "1800"
    },
    "env_suffixes": {
      "DEPOT_TOOLS_UPDATE": [
        "0",
        "0"
      ],
      "PATH": [
        "RECIPE_REPO[depot_tools]",
        "RECIPE_REPO[depot_tools]"
      ]
    },
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "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\": \"abcd1234\"@@@",
      "@@@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\": \"abcd1234\"@@@",
      "@@@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\": \"abcd1234\", @@@",
      "@@@STEP_LOG_LINE@json.output@    \"got_engine_revision_cp\": \"refs/heads/main@{#84512}\", @@@",
      "@@@STEP_LOG_LINE@json.output@    \"got_revision\": \"9221bca00ddbd888260084def81f09543281b952\"@@@",
      "@@@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\": \"abcd1234\"@@@",
      "@@@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@\"abcd1234\"@@@",
      "@@@SET_BUILD_PROPERTY@got_engine_revision_cp@\"refs/heads/main@{#84512}\"@@@",
      "@@@SET_BUILD_PROPERTY@got_revision@\"9221bca00ddbd888260084def81f09543281b952\"@@@"
    ]
  },
  {
    "cmd": [
      "vpython3",
      "-u",
      "RECIPE_REPO[depot_tools]/gclient.py",
      "runhooks"
    ],
    "cwd": "[CACHE]/builder",
    "env": {
      "ANDROID_HOME": "[CACHE]/builder/src/third_party/android_tools/sdk",
      "DEPOT_TOOLS_REPORT_BUILD": "flutter/prod/Mac Engine/8945511751514863184",
      "FLUTTER_PREBUILT_DART_SDK": "True"
    },
    "env_suffixes": {
      "DEPOT_TOOLS_UPDATE": [
        "0"
      ],
      "PATH": [
        "RECIPE_REPO[depot_tools]",
        "RECIPE_REPO[depot_tools]"
      ]
    },
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Checkout source code.gclient runhooks",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "rm",
      "-rf",
      "[HOME]/Library/Developer/Xcode/DerivedData"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Delete mac deriveddata"
  },
  {
    "cmd": [
      "vpython3",
      "-u",
      "RECIPE_REPO[depot_tools]/gclient.py",
      "runhooks"
    ],
    "cwd": "[CACHE]/builder",
    "env": {
      "ANDROID_HOME": "[CACHE]/builder/src/third_party/android_tools/sdk",
      "DEPOT_TOOLS_REPORT_BUILD": "flutter/prod/Mac Engine/8945511751514863184",
      "FLUTTER_PREBUILT_DART_SDK": "True"
    },
    "env_suffixes": {
      "DEPOT_TOOLS_UPDATE": [
        "0"
      ],
      "PATH": [
        "RECIPE_REPO[depot_tools]",
        "RECIPE_REPO[depot_tools]"
      ]
    },
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "gclient runhooks"
  },
  {
    "failure": {
      "failure": {},
      "humanReason": "Mac Arm host builds not supported yet."
    },
    "name": "$result"
  }
]