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      "commit",
      "-m",
      "[roll a1, b2] Roll 2 commits\n\n[roll a1] foo\nbar\n\n\nhttps://pigweed.googlesource.com/pigweed/pigweed\na1 Rolled-Commits: 111111111111111..222222222222222\n\n[roll b2] foo\nbar\n\n\nhttps://pigweed.googlesource.com/pigweed/pigweed\nb2 Rolled-Commits: 111111111111111..222222222222222\n\n\nRoller-URL: https://ci.chromium.org/b/0\nCQ-Do-Not-Cancel-Tryjobs: true\nChange-Id: Idcafe3609bd1c8c808cc0005865453850afdf06e",
      "-a",
      "--author",
      "author <author@pigweed.infra.roller.example.com>"
    ],
    "cwd": "[START_DIR]/co",
    "infra_step": true,
    "name": "git commit",
    "timeout": 600.0
  },
  {
    "cmd": [
      "git",
      "push",
      "--push-option",
      "nokeycheck",
      "origin",
      "HEAD:refs/for/main%l=Commit-Queue+1,cc=author@example.com"
    ],
    "cwd": "[START_DIR]/co",
    "infra_step": true,
    "name": "git push",
    "timeout": 180.0,
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@stdout@@@@",
      "@@@STEP_LOG_END@stdout@@@",
      "@@@STEP_LINK@gerrit link@https://pigweed-review.googlesource.com/q/pigweed/pigweed~main~Idcafe3609bd1c8c808cc0005865453850afdf06e@@@"
    ]
  },
  {
    "cmd": [],
    "name": "check for completion"
  },
  {
    "cmd": [
      "[START_DIR]/cipd_tool/path/to/gerrit/version%3Apinned-version/gerrit",
      "change-detail",
      "-host",
      "https://pigweed-review.googlesource.com",
      "-input",
      "{\"change_id\": \"pigweed/pigweed~main~Idcafe3609bd1c8c808cc0005865453850afdf06e\", \"params\": {\"o\": [\"CURRENT_REVISION\"]}}",
      "-output",
      "/path/to/tmp/json"
    ],
    "infra_step": true,
    "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@  }, @@@",
      "@@@STEP_LOG_LINE@json.output@  \"messages\": [@@@",
      "@@@STEP_LOG_LINE@json.output@    {@@@",
      "@@@STEP_LOG_LINE@json.output@      \"message\": \"Dry run: CQ is trying the patch\", @@@",
      "@@@STEP_LOG_LINE@json.output@      \"real_author\": {@@@",
      "@@@STEP_LOG_LINE@json.output@        \"email\": \"foo@luci-project-accounts.iam.gserviceaccount.com\"@@@",
      "@@@STEP_LOG_LINE@json.output@      }@@@",
      "@@@STEP_LOG_LINE@json.output@    }, @@@",
      "@@@STEP_LOG_LINE@json.output@    {@@@",
      "@@@STEP_LOG_LINE@json.output@      \"message\": \"Dry run: This CL passed the CQ dry run.\", @@@",
      "@@@STEP_LOG_LINE@json.output@      \"real_author\": {@@@",
      "@@@STEP_LOG_LINE@json.output@        \"email\": \"foo@luci-project-accounts.iam.gserviceaccount.com\"@@@",
      "@@@STEP_LOG_LINE@json.output@      }@@@",
      "@@@STEP_LOG_LINE@json.output@    }@@@",
      "@@@STEP_LOG_LINE@json.output@  ], @@@",
      "@@@STEP_LOG_LINE@json.output@  \"status\": \"NEW\"@@@",
      "@@@STEP_LOG_LINE@json.output@}@@@",
      "@@@STEP_LOG_END@json.output@@@",
      "@@@STEP_LOG_LINE@json.input@{@@@",
      "@@@STEP_LOG_LINE@json.input@  \"change_id\": \"pigweed/pigweed~main~Idcafe3609bd1c8c808cc0005865453850afdf06e\", @@@",
      "@@@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://pigweed-review.googlesource.com/q/pigweed/pigweed~main~Idcafe3609bd1c8c808cc0005865453850afdf06e@@@"
    ]
  },
  {
    "cmd": [
      "[START_DIR]/cipd_tool/path/to/gerrit/version%3Apinned-version/gerrit",
      "change-abandon",
      "-host",
      "https://pigweed-review.googlesource.com",
      "-input",
      "{\"change_id\": \"pigweed/pigweed~main~Idcafe3609bd1c8c808cc0005865453850afdf06e\", \"input\": {\"message\": \"Dry run passed.\"}}",
      "-output",
      "/path/to/tmp/json"
    ],
    "infra_step": true,
    "name": "abandon roll",
    "timeout": 600,
    "~followup_annotations": [
      "@@@STEP_TEXT@dry run passed@@@",
      "@@@STEP_LOG_END@json.output (invalid)@@@",
      "@@@STEP_LOG_LINE@json.output (exception)@No JSON object could be decoded@@@",
      "@@@STEP_LOG_END@json.output (exception)@@@",
      "@@@STEP_LOG_LINE@json.input@{@@@",
      "@@@STEP_LOG_LINE@json.input@  \"change_id\": \"pigweed/pigweed~main~Idcafe3609bd1c8c808cc0005865453850afdf06e\", @@@",
      "@@@STEP_LOG_LINE@json.input@  \"input\": {@@@",
      "@@@STEP_LOG_LINE@json.input@    \"message\": \"Dry run passed.\"@@@",
      "@@@STEP_LOG_LINE@json.input@  }@@@",
      "@@@STEP_LOG_LINE@json.input@}@@@",
      "@@@STEP_LOG_END@json.input@@@",
      "@@@STEP_LINK@gerrit link@https://pigweed-review.googlesource.com/q/pigweed/pigweed~main~Idcafe3609bd1c8c808cc0005865453850afdf06e@@@"
    ]
  },
  {
    "name": "$result"
  }
]