[
  {
    "cmd": [],
    "name": "git"
  },
  {
    "cmd": [
      "git",
      "init",
      "[START_DIR]/gn"
    ],
    "infra_step": true,
    "name": "git.init",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "fetch",
      "--tags",
      "https://gn.googlesource.com/gn",
      "2d72510e447ab60a9728aeea2362d8be2cbd7789"
    ],
    "cwd": "[START_DIR]/gn",
    "infra_step": true,
    "name": "git.fetch",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "checkout",
      "FETCH_HEAD"
    ],
    "cwd": "[START_DIR]/gn",
    "infra_step": true,
    "name": "git.checkout",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
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      "ensure",
      "-root",
      "[START_DIR]/cipd",
      "-ensure-file",
      "infra/ninja/${platform} version:1.8.2\nfuchsia/clang/${platform} goma",
      "-json-output",
      "/path/to/tmp/json"
    ],
    "infra_step": true,
    "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-goma------------\", @@@",
      "@@@STEP_LOG_LINE@json.output@        \"package\": \"fuchsia/clang/resolved-platform\"@@@",
      "@@@STEP_LOG_LINE@json.output@      }, @@@",
      "@@@STEP_LOG_LINE@json.output@      {@@@",
      "@@@STEP_LOG_LINE@json.output@        \"instance_id\": \"resolved-instance_id-of-version:1.8.2---\", @@@",
      "@@@STEP_LOG_LINE@json.output@        \"package\": \"infra/ninja/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": [
      "cipd",
      "ensure",
      "-root",
      "[CACHE]/macos_sdk",
      "-ensure-file",
      "infra/tools/mac_toolchain/${platform} git_revision:434f5462a77e7103f9d610fa5cabc426bb21502e",
      "-json-output",
      "/path/to/tmp/json"
    ],
    "infra_step": true,
    "name": "ensure_installed (2)",
    "~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-git_revision:434\", @@@",
      "@@@STEP_LOG_LINE@json.output@        \"package\": \"infra/tools/mac_toolchain/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": [
      "[CACHE]/macos_sdk/mac_toolchain",
      "install",
      "-kind",
      "mac",
      "-xcode-version",
      "10b61",
      "-output-dir",
      "[CACHE]/macos_sdk/XCode.app"
    ],
    "infra_step": true,
    "name": "install xcode"
  },
  {
    "cmd": [
      "sudo",
      "xcode-select",
      "--switch",
      "[CACHE]/macos_sdk/XCode.app"
    ],
    "infra_step": true,
    "name": "select XCode"
  },
  {
    "cmd": [
      "xcrun",
      "--show-sdk-path"
    ],
    "name": "xcrun",
    "stdout": "/path/to/tmp/",
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@raw_io.output[sdk-path]@/some/xcode/path@@@",
      "@@@STEP_LOG_END@raw_io.output[sdk-path]@@@"
    ]
  },
  {
    "cmd": [],
    "name": "debug"
  },
  {
    "cmd": [],
    "name": "debug.build",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "python",
      "-u",
      "[START_DIR]/gn/build/gen.py",
      "-d"
    ],
    "cwd": "[START_DIR]/gn",
    "env": {
      "AR": "[START_DIR]/cipd/bin/llvm-ar",
      "CC": "[START_DIR]/cipd/bin/clang",
      "CFLAGS": "--sysroot=/some/xcode/path",
      "CXX": "[START_DIR]/cipd/bin/clang++",
      "LDFLAGS": "--sysroot=/some/xcode/path -nostdlib++ [START_DIR]/cipd/lib/libc++.a"
    },
    "name": "debug.build.generate",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "[START_DIR]/cipd/ninja",
      "-C",
      "[START_DIR]/gn/out"
    ],
    "cwd": "[START_DIR]/gn",
    "env": {
      "AR": "[START_DIR]/cipd/bin/llvm-ar",
      "CC": "[START_DIR]/cipd/bin/clang",
      "CFLAGS": "--sysroot=/some/xcode/path",
      "CXX": "[START_DIR]/cipd/bin/clang++",
      "LDFLAGS": "--sysroot=/some/xcode/path -nostdlib++ [START_DIR]/cipd/lib/libc++.a"
    },
    "name": "debug.build.ninja",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "[START_DIR]/gn/out/gn_unittests"
    ],
    "name": "debug.test",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [],
    "name": "release"
  },
  {
    "cmd": [],
    "name": "release.build",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "python",
      "-u",
      "[START_DIR]/gn/build/gen.py",
      "--use-lto",
      "--use-icf"
    ],
    "cwd": "[START_DIR]/gn",
    "env": {
      "AR": "[START_DIR]/cipd/bin/llvm-ar",
      "CC": "[START_DIR]/cipd/bin/clang",
      "CFLAGS": "--sysroot=/some/xcode/path",
      "CXX": "[START_DIR]/cipd/bin/clang++",
      "LDFLAGS": "--sysroot=/some/xcode/path -nostdlib++ [START_DIR]/cipd/lib/libc++.a"
    },
    "name": "release.build.generate",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "[START_DIR]/cipd/ninja",
      "-C",
      "[START_DIR]/gn/out"
    ],
    "cwd": "[START_DIR]/gn",
    "env": {
      "AR": "[START_DIR]/cipd/bin/llvm-ar",
      "CC": "[START_DIR]/cipd/bin/clang",
      "CFLAGS": "--sysroot=/some/xcode/path",
      "CXX": "[START_DIR]/cipd/bin/clang++",
      "LDFLAGS": "--sysroot=/some/xcode/path -nostdlib++ [START_DIR]/cipd/lib/libc++.a"
    },
    "name": "release.build.ninja",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "[START_DIR]/gn/out/gn_unittests"
    ],
    "name": "release.test",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "sudo",
      "xcode-select",
      "--reset"
    ],
    "infra_step": true,
    "name": "reset XCode"
  },
  {
    "cmd": [
      "cipd",
      "pkg-build",
      "-pkg-def",
      "{\"data\": [{\"file\": \"gn\"}, {\"version_file\": \".versions/gn.cipd_version\"}], \"install_mode\": \"copy\", \"package\": \"gn/gn/${platform}\", \"root\": \"[START_DIR]/gn/out\"}",
      "-out",
      "[CLEANUP]/gn.cipd",
      "-hash-algo",
      "sha256",
      "-json-output",
      "/path/to/tmp/json"
    ],
    "name": "build gn/gn/${platform}",
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@json.output@{@@@",
      "@@@STEP_LOG_LINE@json.output@  \"result\": {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"instance_id\": \"40-chars-fake-of-the-package-instance_id\", @@@",
      "@@@STEP_LOG_LINE@json.output@    \"package\": \"gn/gn/resolved-platform\"@@@",
      "@@@STEP_LOG_LINE@json.output@  }@@@",
      "@@@STEP_LOG_LINE@json.output@}@@@",
      "@@@STEP_LOG_END@json.output@@@"
    ]
  },
  {
    "jsonResult": null,
    "name": "$result"
  }
]