[
  {
    "cmd": [],
    "name": "checkout pigweed"
  },
  {
    "cmd": [
      "vpython",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "ensure-directory",
      "--mode",
      "0777",
      "[START_DIR]/checkout"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "checkout pigweed.makedirs",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "init"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "checkout pigweed.git init",
    "timeout": 60.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "remote",
      "add",
      "origin",
      "https://pigweed.googlesource.com/pigweed/pigweed"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "checkout pigweed.git remote",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "config",
      "fetch.uriprotocols",
      "https"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "checkout pigweed.set fetch.uriprotocols",
    "timeout": 60.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [],
    "name": "checkout pigweed.cache",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "vpython",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "copy",
      "",
      "[CACHE]/git/.GUARD_FILE"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "checkout pigweed.cache.write guard file",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "vpython",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "ensure-directory",
      "--mode",
      "0777",
      "[CACHE]/git/pigweed.googlesource.com-pigweed-pigweed"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "checkout pigweed.cache.makedirs",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "init",
      "--bare"
    ],
    "cwd": "[CACHE]/git/pigweed.googlesource.com-pigweed-pigweed",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "checkout pigweed.cache.git init",
    "timeout": 60.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "config",
      "remote.origin.url",
      "https://pigweed.googlesource.com/pigweed/pigweed"
    ],
    "cwd": "[CACHE]/git/pigweed.googlesource.com-pigweed-pigweed",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "checkout pigweed.cache.remote set-url",
    "timeout": 60.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "config",
      "fetch.uriprotocols",
      "https"
    ],
    "cwd": "[CACHE]/git/pigweed.googlesource.com-pigweed-pigweed",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "checkout pigweed.cache.set fetch.uriprotocols",
    "timeout": 60.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "config",
      "--replace-all",
      "remote.origin.fetch",
      "+refs/heads/*:refs/heads/*",
      "\\+refs/heads/\\*:.*"
    ],
    "cwd": "[CACHE]/git/pigweed.googlesource.com-pigweed-pigweed",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "checkout pigweed.cache.replace fetch configs",
    "timeout": 60.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "fetch",
      "--prune",
      "--tags",
      "origin"
    ],
    "cwd": "[CACHE]/git/pigweed.googlesource.com-pigweed-pigweed",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "checkout pigweed.cache.git fetch",
    "timeout": 1200.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "vpython",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "ensure-directory",
      "--mode",
      "0777",
      "[START_DIR]/checkout/.git/objects/info"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "checkout pigweed.cache.makedirs object/info",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "vpython",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "copy",
      "[CACHE]/git/pigweed.googlesource.com-pigweed-pigweed/objects\n",
      "[START_DIR]/checkout/.git/objects/info/alternates"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "checkout pigweed.cache.alternates",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@",
      "@@@STEP_LOG_LINE@alternates@[CACHE]/git/pigweed.googlesource.com-pigweed-pigweed/objects@@@",
      "@@@STEP_LOG_END@alternates@@@"
    ]
  },
  {
    "cmd": [
      "vpython",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "remove",
      "[CACHE]/git/.GUARD_FILE"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "checkout pigweed.cache.remove guard file",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "fetch",
      "--tags",
      "origin",
      "main",
      "--recurse-submodules"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "checkout pigweed.git fetch",
    "timeout": 1200.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "checkout",
      "-f",
      "FETCH_HEAD"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "checkout pigweed.git checkout",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "rev-parse",
      "HEAD"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "checkout pigweed.git rev-parse",
    "timeout": 60.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "clean",
      "-f",
      "-d",
      "-x"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "checkout pigweed.git clean",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [],
    "name": "checkout pigweed.submodule",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "submodule",
      "sync"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "checkout pigweed.submodule.git submodule sync",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "submodule",
      "update",
      "--init",
      "--recursive",
      "--jobs",
      "4"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "checkout pigweed.submodule.git submodule update",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [],
    "name": "checkout pigweed.git log",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "log",
      "--oneline",
      "-n",
      "10"
    ],
    "cwd": "[START_DIR]/checkout",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "checkout pigweed.git log.[START_DIR]/checkout",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "vpython",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "ensure-directory",
      "--mode",
      "0777",
      "[START_DIR]/snapshot"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "checkout pigweed.mkdir",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "submodule",
      "status",
      "--recursive"
    ],
    "cwd": "[START_DIR]/checkout",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "checkout pigweed.submodule-status",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "vpython",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "copy",
      "submodule status filler text",
      "[START_DIR]/snapshot/submodules.log"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "checkout pigweed.write submodule snapshot",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_LINE@submodules.log@submodule status filler text@@@",
      "@@@STEP_LOG_END@submodules.log@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "log",
      "--oneline",
      "-n",
      "10"
    ],
    "cwd": "[START_DIR]/checkout",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "checkout pigweed.log",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "vpython",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "copy",
      "",
      "[START_DIR]/snapshot/git.log"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "checkout pigweed.write git log",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_END@git.log@@@"
    ]
  },
  {
    "cmd": [
      "vpython",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "copy",
      "[START_DIR]/checkout/.gitmodules",
      "/path/to/tmp/"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "read .gitmodules",
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@.gitmodules@[submodule \"ham\"]@@@",
      "@@@STEP_LOG_LINE@.gitmodules@\tpath = ham@@@",
      "@@@STEP_LOG_LINE@.gitmodules@\turl = https://foo.googlesource.com/ham@@@",
      "@@@STEP_LOG_LINE@.gitmodules@[submodule \"spam\"]@@@",
      "@@@STEP_LOG_LINE@.gitmodules@\tpath = spam@@@",
      "@@@STEP_LOG_LINE@.gitmodules@\turl = https://foo.googlesource.com/spam@@@",
      "@@@STEP_LOG_END@.gitmodules@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "submodule",
      "status"
    ],
    "cwd": "[START_DIR]/checkout",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "git submodule status",
    "timeout": 600.0
  },
  {
    "cmd": [],
    "name": "parse submodules"
  },
  {
    "cmd": [],
    "name": "parse submodules.eggs",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_SUMMARY_TEXT@hash=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\ndescribe=foo@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "config",
      "--get",
      "remote.origin.url"
    ],
    "cwd": "[START_DIR]/checkout/eggs",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "parse submodules.git origin [START_DIR]/checkout/eggs",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [],
    "name": "parse submodules.ham",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_SUMMARY_TEXT@hash=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\ndescribe=foo@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "config",
      "--get",
      "remote.origin.url"
    ],
    "cwd": "[START_DIR]/checkout/ham",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "parse submodules.git origin [START_DIR]/checkout/ham",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [],
    "name": "parse submodules.spam",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_SUMMARY_TEXT@hash=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\ndescribe=foo@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "config",
      "--get",
      "remote.origin.url"
    ],
    "cwd": "[START_DIR]/checkout/spam",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "parse submodules.git origin [START_DIR]/checkout/spam",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "log",
      "--max-count=1",
      "--pretty=format:%H"
    ],
    "cwd": "[START_DIR]/checkout/spam",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "get old revision",
    "timeout": 600.0
  },
  {
    "cmd": [
      "git",
      "fetch",
      "origin",
      "2222222222222222222222222222222222222222"
    ],
    "cwd": "[START_DIR]/checkout/spam",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "git fetch",
    "timeout": 600.0
  },
  {
    "cmd": [
      "git",
      "checkout",
      "FETCH_HEAD"
    ],
    "cwd": "[START_DIR]/checkout/spam",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "git checkout",
    "timeout": 600.0
  },
  {
    "cmd": [],
    "name": "get roll direction",
    "~followup_annotations": [
      "@@@STEP_SUMMARY_TEXT@forward@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "merge-base",
      "--is-ancestor",
      "1111111111111111111111111111111111111111",
      "2222222222222222222222222222222222222222"
    ],
    "cwd": "[START_DIR]/checkout/spam",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "get roll direction.is forward",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "merge-base",
      "--is-ancestor",
      "2222222222222222222222222222222222222222",
      "1111111111111111111111111111111111111111"
    ],
    "cwd": "[START_DIR]/checkout/spam",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "get roll direction.is backward",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [],
    "name": "remote"
  },
  {
    "cmd": [
      "git",
      "remote"
    ],
    "cwd": "[START_DIR]/checkout/spam",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "remote.name",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "remote",
      "get-url",
      "origin"
    ],
    "cwd": "[START_DIR]/checkout/spam",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "remote.url",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [],
    "name": "spam"
  },
  {
    "cmd": [
      "git",
      "log",
      "--pretty=format:%H\n%an\n%ae\n%B",
      "-z",
      "1111111111111111111111111111111111111111..2222222222222222222222222222222222222222"
    ],
    "cwd": "[START_DIR]/checkout/spam",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "spam.git log",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [],
    "name": "spam.ensure gerrit",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "vpython",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "copy",
      "RECIPE_MODULE[fuchsia::gerrit]/resources/tool_manifest.json",
      "/path/to/tmp/json"
    ],
    "cwd": "[START_DIR]/checkout/spam",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "spam.ensure gerrit.read manifest",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@",
      "@@@STEP_LOG_LINE@tool_manifest.json@{@@@",
      "@@@STEP_LOG_LINE@tool_manifest.json@  \"path\": \"path/to/gerrit\",@@@",
      "@@@STEP_LOG_LINE@tool_manifest.json@  \"version\": \"version:pinned-version\"@@@",
      "@@@STEP_LOG_LINE@tool_manifest.json@}@@@",
      "@@@STEP_LOG_END@tool_manifest.json@@@"
    ]
  },
  {
    "cmd": [],
    "name": "spam.ensure gerrit.install path/to/gerrit",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "vpython",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "ensure-directory",
      "--mode",
      "0777",
      "[START_DIR]/cipd_tool/path/to/gerrit/version%3Apinned-version"
    ],
    "cwd": "[START_DIR]/checkout/spam",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "spam.ensure gerrit.install path/to/gerrit.ensure package directory",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@3@@@"
    ]
  },
  {
    "cmd": [
      "cipd",
      "ensure",
      "-root",
      "[START_DIR]/cipd_tool/path/to/gerrit/version%3Apinned-version",
      "-ensure-file",
      "path/to/gerrit version:pinned-version",
      "-max-threads",
      "0",
      "-json-output",
      "/path/to/tmp/json"
    ],
    "cwd": "[START_DIR]/checkout/spam",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "spam.ensure gerrit.install path/to/gerrit.ensure_installed",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@3@@@",
      "@@@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-version:pinned-v\", @@@",
      "@@@STEP_LOG_LINE@json.output@        \"package\": \"path/to/gerrit\"@@@",
      "@@@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": [
      "[START_DIR]/cipd_tool/path/to/gerrit/version%3Apinned-version/gerrit",
      "change-query",
      "-host",
      "https://pigweed-review.googlesource.com",
      "-input",
      "{\"params\": {\"q\": \"commit:2222222222222222222222222222222222222222\"}}",
      "-output",
      "/path/to/tmp/json"
    ],
    "cwd": "[START_DIR]/checkout/spam",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "spam.get change-id",
    "timeout": 600,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_LINE@json.output@[@@@",
      "@@@STEP_LOG_LINE@json.output@  {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"_number\": 12345@@@",
      "@@@STEP_LOG_LINE@json.output@  }@@@",
      "@@@STEP_LOG_LINE@json.output@]@@@",
      "@@@STEP_LOG_END@json.output@@@",
      "@@@STEP_LOG_LINE@json.input@{@@@",
      "@@@STEP_LOG_LINE@json.input@  \"params\": {@@@",
      "@@@STEP_LOG_LINE@json.input@    \"q\": \"commit:2222222222222222222222222222222222222222\"@@@",
      "@@@STEP_LOG_LINE@json.input@  }@@@",
      "@@@STEP_LOG_LINE@json.input@}@@@",
      "@@@STEP_LOG_END@json.input@@@"
    ]
  },
  {
    "cmd": [
      "[START_DIR]/cipd_tool/path/to/gerrit/version%3Apinned-version/gerrit",
      "change-detail",
      "-host",
      "https://pigweed-review.googlesource.com",
      "-input",
      "{\"change_id\": \"12345\"}",
      "-output",
      "/path/to/tmp/json"
    ],
    "cwd": "[START_DIR]/checkout/spam",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "spam.get 12345",
    "timeout": 600,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_LINE@json.output@{@@@",
      "@@@STEP_LOG_LINE@json.output@  \"owner\": {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"email\": \"author@example.com\", @@@",
      "@@@STEP_LOG_LINE@json.output@    \"name\": \"author\"@@@",
      "@@@STEP_LOG_LINE@json.output@  }, @@@",
      "@@@STEP_LOG_LINE@json.output@  \"reviewers\": {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"REVIEWER\": [@@@",
      "@@@STEP_LOG_LINE@json.output@      {@@@",
      "@@@STEP_LOG_LINE@json.output@        \"email\": \"reviewer@example.com\", @@@",
      "@@@STEP_LOG_LINE@json.output@        \"name\": \"reviewer\"@@@",
      "@@@STEP_LOG_LINE@json.output@      }, @@@",
      "@@@STEP_LOG_LINE@json.output@      {@@@",
      "@@@STEP_LOG_LINE@json.output@        \"email\": \"nobody@google.com\", @@@",
      "@@@STEP_LOG_LINE@json.output@        \"name\": \"nobody\"@@@",
      "@@@STEP_LOG_LINE@json.output@      }, @@@",
      "@@@STEP_LOG_LINE@json.output@      {@@@",
      "@@@STEP_LOG_LINE@json.output@        \"email\": \"robot@gserviceaccount.com\", @@@",
      "@@@STEP_LOG_LINE@json.output@        \"name\": \"robot\"@@@",
      "@@@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@@@",
      "@@@STEP_LOG_LINE@json.input@{@@@",
      "@@@STEP_LOG_LINE@json.input@  \"change_id\": \"12345\"@@@",
      "@@@STEP_LOG_LINE@json.input@}@@@",
      "@@@STEP_LOG_END@json.input@@@",
      "@@@STEP_LINK@gerrit link@https://pigweed-review.googlesource.com/q/12345@@@"
    ]
  },
  {
    "cmd": [],
    "name": "resolve CL deps"
  },
  {
    "cmd": [
      "[START_DIR]/cipd_tool/path/to/gerrit/version%3Apinned-version/gerrit",
      "change-query",
      "-host",
      "https://foo-review.googlesource.com",
      "-input",
      "{\"params\": {\"q\": \"commit:2222222222222222222222222222222222222222\"}}",
      "-output",
      "/path/to/tmp/json"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "resolve CL deps.number 2222222222222222222222222222222222222222",
    "timeout": 30,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_LINE@json.output@[@@@",
      "@@@STEP_LOG_LINE@json.output@  {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"_number\": 2000@@@",
      "@@@STEP_LOG_LINE@json.output@  }@@@",
      "@@@STEP_LOG_LINE@json.output@]@@@",
      "@@@STEP_LOG_END@json.output@@@",
      "@@@STEP_LOG_LINE@json.input@{@@@",
      "@@@STEP_LOG_LINE@json.input@  \"params\": {@@@",
      "@@@STEP_LOG_LINE@json.input@    \"q\": \"commit:2222222222222222222222222222222222222222\"@@@",
      "@@@STEP_LOG_LINE@json.input@  }@@@",
      "@@@STEP_LOG_LINE@json.input@}@@@",
      "@@@STEP_LOG_END@json.input@@@"
    ]
  },
  {
    "cmd": [
      "[START_DIR]/cipd_tool/path/to/gerrit/version%3Apinned-version/gerrit",
      "change-detail",
      "-host",
      "https://foo-review.googlesource.com",
      "-input",
      "{\"change_id\": \"2000\", \"params\": {\"o\": [\"CURRENT_COMMIT\", \"CURRENT_REVISION\"]}}",
      "-output",
      "/path/to/tmp/json"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "resolve CL deps.details foo:2000",
    "timeout": 30,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_LINE@json.output@{@@@",
      "@@@STEP_LOG_LINE@json.output@  \"_number\": 2000, @@@",
      "@@@STEP_LOG_LINE@json.output@  \"current_revision\": \"HASH\", @@@",
      "@@@STEP_LOG_LINE@json.output@  \"project\": \"project\", @@@",
      "@@@STEP_LOG_LINE@json.output@  \"revisions\": {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"HASH\": {@@@",
      "@@@STEP_LOG_LINE@json.output@      \"_number\": 1, @@@",
      "@@@STEP_LOG_LINE@json.output@      \"commit\": {@@@",
      "@@@STEP_LOG_LINE@json.output@        \"message\": \"Requires: foo:444,foo:555\", @@@",
      "@@@STEP_LOG_LINE@json.output@        \"parents\": [@@@",
      "@@@STEP_LOG_LINE@json.output@          {@@@",
      "@@@STEP_LOG_LINE@json.output@            \"commit\": \"parent-2000\"@@@",
      "@@@STEP_LOG_LINE@json.output@          }@@@",
      "@@@STEP_LOG_LINE@json.output@        ]@@@",
      "@@@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\": \"2000\", @@@",
      "@@@STEP_LOG_LINE@json.input@  \"params\": {@@@",
      "@@@STEP_LOG_LINE@json.input@    \"o\": [@@@",
      "@@@STEP_LOG_LINE@json.input@      \"CURRENT_COMMIT\", @@@",
      "@@@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://foo-review.googlesource.com/q/2000@@@"
    ]
  },
  {
    "cmd": [
      "[START_DIR]/cipd_tool/path/to/gerrit/version%3Apinned-version/gerrit",
      "change-query",
      "-host",
      "https://foo-review.googlesource.com",
      "-input",
      "{\"params\": {\"q\": \"commit:parent-2000\"}}",
      "-output",
      "/path/to/tmp/json"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "resolve CL deps.number parent-2000",
    "timeout": 30,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_LINE@json.output@[@@@",
      "@@@STEP_LOG_LINE@json.output@  {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"_number\": 889@@@",
      "@@@STEP_LOG_LINE@json.output@  }@@@",
      "@@@STEP_LOG_LINE@json.output@]@@@",
      "@@@STEP_LOG_END@json.output@@@",
      "@@@STEP_LOG_LINE@json.input@{@@@",
      "@@@STEP_LOG_LINE@json.input@  \"params\": {@@@",
      "@@@STEP_LOG_LINE@json.input@    \"q\": \"commit:parent-2000\"@@@",
      "@@@STEP_LOG_LINE@json.input@  }@@@",
      "@@@STEP_LOG_LINE@json.input@}@@@",
      "@@@STEP_LOG_END@json.input@@@"
    ]
  },
  {
    "cmd": [
      "[START_DIR]/cipd_tool/path/to/gerrit/version%3Apinned-version/gerrit",
      "change-detail",
      "-host",
      "https://foo-review.googlesource.com",
      "-input",
      "{\"change_id\": \"889\", \"params\": {\"o\": [\"CURRENT_COMMIT\", \"CURRENT_REVISION\"]}}",
      "-output",
      "/path/to/tmp/json"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "resolve CL deps.details foo:889",
    "timeout": 30,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_LINE@json.output@{@@@",
      "@@@STEP_LOG_LINE@json.output@  \"current_revision\": \"HASH\", @@@",
      "@@@STEP_LOG_LINE@json.output@  \"project\": \"project\", @@@",
      "@@@STEP_LOG_LINE@json.output@  \"revisions\": {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"HASH\": {@@@",
      "@@@STEP_LOG_LINE@json.output@      \"_number\": 1, @@@",
      "@@@STEP_LOG_LINE@json.output@      \"commit\": {@@@",
      "@@@STEP_LOG_LINE@json.output@        \"message\": \"\", @@@",
      "@@@STEP_LOG_LINE@json.output@        \"parents\": [@@@",
      "@@@STEP_LOG_LINE@json.output@          {@@@",
      "@@@STEP_LOG_LINE@json.output@            \"commit\": \"PARENT\"@@@",
      "@@@STEP_LOG_LINE@json.output@          }@@@",
      "@@@STEP_LOG_LINE@json.output@        ]@@@",
      "@@@STEP_LOG_LINE@json.output@      }@@@",
      "@@@STEP_LOG_LINE@json.output@    }@@@",
      "@@@STEP_LOG_LINE@json.output@  }, @@@",
      "@@@STEP_LOG_LINE@json.output@  \"status\": \"SUBMITTED\"@@@",
      "@@@STEP_LOG_LINE@json.output@}@@@",
      "@@@STEP_LOG_END@json.output@@@",
      "@@@STEP_LOG_LINE@json.input@{@@@",
      "@@@STEP_LOG_LINE@json.input@  \"change_id\": \"889\", @@@",
      "@@@STEP_LOG_LINE@json.input@  \"params\": {@@@",
      "@@@STEP_LOG_LINE@json.input@    \"o\": [@@@",
      "@@@STEP_LOG_LINE@json.input@      \"CURRENT_COMMIT\", @@@",
      "@@@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://foo-review.googlesource.com/q/889@@@"
    ]
  },
  {
    "cmd": [],
    "name": "resolve CL deps.parents foo:2000",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_SUMMARY_TEXT@all parents already submitted@@@"
    ]
  },
  {
    "cmd": [],
    "name": "resolve CL deps.resolve deps for foo:2000",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LINK@foo:444@https://foo-review.googlesource.com/444@@@",
      "@@@STEP_LINK@foo:555@https://foo-review.googlesource.com/555@@@"
    ]
  },
  {
    "cmd": [
      "[START_DIR]/cipd_tool/path/to/gerrit/version%3Apinned-version/gerrit",
      "change-detail",
      "-host",
      "https://foo-review.googlesource.com",
      "-input",
      "{\"change_id\": \"444\", \"params\": {\"o\": [\"CURRENT_COMMIT\", \"CURRENT_REVISION\"]}}",
      "-output",
      "/path/to/tmp/json"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "resolve CL deps.details foo:444",
    "timeout": 30,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_LINE@json.output@{@@@",
      "@@@STEP_LOG_LINE@json.output@  \"_number\": 444, @@@",
      "@@@STEP_LOG_LINE@json.output@  \"current_revision\": \"HASH\", @@@",
      "@@@STEP_LOG_LINE@json.output@  \"project\": \"ham\", @@@",
      "@@@STEP_LOG_LINE@json.output@  \"revisions\": {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"HASH\": {@@@",
      "@@@STEP_LOG_LINE@json.output@      \"_number\": 1, @@@",
      "@@@STEP_LOG_LINE@json.output@      \"commit\": {@@@",
      "@@@STEP_LOG_LINE@json.output@        \"message\": \"\", @@@",
      "@@@STEP_LOG_LINE@json.output@        \"parents\": [@@@",
      "@@@STEP_LOG_LINE@json.output@          {@@@",
      "@@@STEP_LOG_LINE@json.output@            \"commit\": \"parent-444\"@@@",
      "@@@STEP_LOG_LINE@json.output@          }@@@",
      "@@@STEP_LOG_LINE@json.output@        ]@@@",
      "@@@STEP_LOG_LINE@json.output@      }@@@",
      "@@@STEP_LOG_LINE@json.output@    }@@@",
      "@@@STEP_LOG_LINE@json.output@  }, @@@",
      "@@@STEP_LOG_LINE@json.output@  \"status\": \"MERGED\"@@@",
      "@@@STEP_LOG_LINE@json.output@}@@@",
      "@@@STEP_LOG_END@json.output@@@",
      "@@@STEP_LOG_LINE@json.input@{@@@",
      "@@@STEP_LOG_LINE@json.input@  \"change_id\": \"444\", @@@",
      "@@@STEP_LOG_LINE@json.input@  \"params\": {@@@",
      "@@@STEP_LOG_LINE@json.input@    \"o\": [@@@",
      "@@@STEP_LOG_LINE@json.input@      \"CURRENT_COMMIT\", @@@",
      "@@@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://foo-review.googlesource.com/q/444@@@"
    ]
  },
  {
    "cmd": [
      "[START_DIR]/cipd_tool/path/to/gerrit/version%3Apinned-version/gerrit",
      "change-detail",
      "-host",
      "https://foo-review.googlesource.com",
      "-input",
      "{\"change_id\": \"555\", \"params\": {\"o\": [\"CURRENT_COMMIT\", \"CURRENT_REVISION\"]}}",
      "-output",
      "/path/to/tmp/json"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "resolve CL deps.details foo:555",
    "timeout": 30,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_LINE@json.output@{@@@",
      "@@@STEP_LOG_LINE@json.output@  \"_number\": 555, @@@",
      "@@@STEP_LOG_LINE@json.output@  \"current_revision\": \"HASH\", @@@",
      "@@@STEP_LOG_LINE@json.output@  \"project\": \"ham\", @@@",
      "@@@STEP_LOG_LINE@json.output@  \"revisions\": {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"HASH\": {@@@",
      "@@@STEP_LOG_LINE@json.output@      \"_number\": 1, @@@",
      "@@@STEP_LOG_LINE@json.output@      \"commit\": {@@@",
      "@@@STEP_LOG_LINE@json.output@        \"message\": \"\", @@@",
      "@@@STEP_LOG_LINE@json.output@        \"parents\": [@@@",
      "@@@STEP_LOG_LINE@json.output@          {@@@",
      "@@@STEP_LOG_LINE@json.output@            \"commit\": \"parent-555\"@@@",
      "@@@STEP_LOG_LINE@json.output@          }@@@",
      "@@@STEP_LOG_LINE@json.output@        ]@@@",
      "@@@STEP_LOG_LINE@json.output@      }@@@",
      "@@@STEP_LOG_LINE@json.output@    }@@@",
      "@@@STEP_LOG_LINE@json.output@  }, @@@",
      "@@@STEP_LOG_LINE@json.output@  \"status\": \"MERGED\"@@@",
      "@@@STEP_LOG_LINE@json.output@}@@@",
      "@@@STEP_LOG_END@json.output@@@",
      "@@@STEP_LOG_LINE@json.input@{@@@",
      "@@@STEP_LOG_LINE@json.input@  \"change_id\": \"555\", @@@",
      "@@@STEP_LOG_LINE@json.input@  \"params\": {@@@",
      "@@@STEP_LOG_LINE@json.input@    \"o\": [@@@",
      "@@@STEP_LOG_LINE@json.input@      \"CURRENT_COMMIT\", @@@",
      "@@@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://foo-review.googlesource.com/q/555@@@"
    ]
  },
  {
    "cmd": [],
    "name": "resolve CL deps.parents foo:555",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_SUMMARY_TEXT@all parents already submitted@@@"
    ]
  },
  {
    "cmd": [],
    "name": "resolve CL deps.resolve deps for foo:555",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_SUMMARY_TEXT@no dependencies@@@"
    ]
  },
  {
    "cmd": [],
    "name": "resolve CL deps.parents foo:444",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_SUMMARY_TEXT@all parents already submitted@@@"
    ]
  },
  {
    "cmd": [],
    "name": "resolve CL deps.resolve deps for foo:444",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_SUMMARY_TEXT@no dependencies@@@"
    ]
  },
  {
    "cmd": [],
    "name": "resolve CL deps.pass",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [],
    "name": "deps",
    "~followup_annotations": [
      "@@@STEP_SUMMARY_TEXT@{'foo:444': Change(gerrit_name='foo', change=444, project='ham', patchset=1, status='MERGED', commit='HASH', parents=[]), 'foo:555': Change(gerrit_name='foo', change=555, project='ham', patchset=1, status='MERGED', commit='HASH', parents=[])}@@@"
    ]
  },
  {
    "cmd": [],
    "name": "applying foo:444",
    "~followup_annotations": [
      "@@@STEP_SUMMARY_TEXT@applied@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "fetch",
      "https://foo.googlesource.com/ham",
      "HASH"
    ],
    "cwd": "[START_DIR]/checkout/spam",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "applying foo:444.fetch HASH",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [],
    "name": "applying foo:444.get roll direction",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_SUMMARY_TEXT@forward@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "merge-base",
      "--is-ancestor",
      "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
      "HASH"
    ],
    "cwd": "[START_DIR]/checkout/spam",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "applying foo:444.get roll direction.is forward",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "merge-base",
      "--is-ancestor",
      "HASH",
      "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
    ],
    "cwd": "[START_DIR]/checkout/spam",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "applying foo:444.get roll direction.is backward",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "log",
      "--max-count=1",
      "--pretty=format:%H"
    ],
    "cwd": "[START_DIR]/checkout/ham",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "applying foo:444.get old revision",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "fetch",
      "origin",
      "HASH"
    ],
    "cwd": "[START_DIR]/checkout/ham",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "applying foo:444.git fetch",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "checkout",
      "FETCH_HEAD"
    ],
    "cwd": "[START_DIR]/checkout/ham",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "applying foo:444.git checkout",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "log",
      "--max-count=1",
      "--pretty=format:%H"
    ],
    "cwd": "[START_DIR]/checkout/ham",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "applying foo:444.get new revision",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [],
    "name": "applying foo:444.remote",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "remote"
    ],
    "cwd": "[START_DIR]/checkout/ham",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "applying foo:444.remote.name",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "remote",
      "get-url",
      "origin"
    ],
    "cwd": "[START_DIR]/checkout/ham",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "applying foo:444.remote.url",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [],
    "name": "applying foo:444.ham",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "log",
      "--pretty=format:%H\n%an\n%ae\n%B",
      "-z",
      "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa..HASH"
    ],
    "cwd": "[START_DIR]/checkout/ham",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "applying foo:444.ham.git log",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "[START_DIR]/cipd_tool/path/to/gerrit/version%3Apinned-version/gerrit",
      "change-query",
      "-host",
      "https://pigweed-review.googlesource.com",
      "-input",
      "{\"params\": {\"q\": \"commit:4444444444444444444444444444444444444444\"}}",
      "-output",
      "/path/to/tmp/json"
    ],
    "cwd": "[START_DIR]/checkout/ham",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "applying foo:444.ham.get change-id",
    "timeout": 600,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@",
      "@@@STEP_LOG_LINE@json.output@[@@@",
      "@@@STEP_LOG_LINE@json.output@  {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"_number\": 12345@@@",
      "@@@STEP_LOG_LINE@json.output@  }@@@",
      "@@@STEP_LOG_LINE@json.output@]@@@",
      "@@@STEP_LOG_END@json.output@@@",
      "@@@STEP_LOG_LINE@json.input@{@@@",
      "@@@STEP_LOG_LINE@json.input@  \"params\": {@@@",
      "@@@STEP_LOG_LINE@json.input@    \"q\": \"commit:4444444444444444444444444444444444444444\"@@@",
      "@@@STEP_LOG_LINE@json.input@  }@@@",
      "@@@STEP_LOG_LINE@json.input@}@@@",
      "@@@STEP_LOG_END@json.input@@@"
    ]
  },
  {
    "cmd": [
      "[START_DIR]/cipd_tool/path/to/gerrit/version%3Apinned-version/gerrit",
      "change-detail",
      "-host",
      "https://pigweed-review.googlesource.com",
      "-input",
      "{\"change_id\": \"12345\"}",
      "-output",
      "/path/to/tmp/json"
    ],
    "cwd": "[START_DIR]/checkout/ham",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "applying foo:444.ham.get 12345",
    "timeout": 600,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@",
      "@@@STEP_LOG_LINE@json.output@{@@@",
      "@@@STEP_LOG_LINE@json.output@  \"owner\": {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"email\": \"author@example.com\", @@@",
      "@@@STEP_LOG_LINE@json.output@    \"name\": \"author\"@@@",
      "@@@STEP_LOG_LINE@json.output@  }, @@@",
      "@@@STEP_LOG_LINE@json.output@  \"reviewers\": {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"REVIEWER\": [@@@",
      "@@@STEP_LOG_LINE@json.output@      {@@@",
      "@@@STEP_LOG_LINE@json.output@        \"email\": \"reviewer@example.com\", @@@",
      "@@@STEP_LOG_LINE@json.output@        \"name\": \"reviewer\"@@@",
      "@@@STEP_LOG_LINE@json.output@      }, @@@",
      "@@@STEP_LOG_LINE@json.output@      {@@@",
      "@@@STEP_LOG_LINE@json.output@        \"email\": \"nobody@google.com\", @@@",
      "@@@STEP_LOG_LINE@json.output@        \"name\": \"nobody\"@@@",
      "@@@STEP_LOG_LINE@json.output@      }, @@@",
      "@@@STEP_LOG_LINE@json.output@      {@@@",
      "@@@STEP_LOG_LINE@json.output@        \"email\": \"robot@gserviceaccount.com\", @@@",
      "@@@STEP_LOG_LINE@json.output@        \"name\": \"robot\"@@@",
      "@@@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@@@",
      "@@@STEP_LOG_LINE@json.input@{@@@",
      "@@@STEP_LOG_LINE@json.input@  \"change_id\": \"12345\"@@@",
      "@@@STEP_LOG_LINE@json.input@}@@@",
      "@@@STEP_LOG_END@json.input@@@",
      "@@@STEP_LINK@gerrit link@https://pigweed-review.googlesource.com/q/12345@@@"
    ]
  },
  {
    "cmd": [],
    "name": "applying foo:555",
    "~followup_annotations": [
      "@@@STEP_SUMMARY_TEXT@already applied@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "fetch",
      "https://foo.googlesource.com/ham",
      "HASH"
    ],
    "cwd": "[START_DIR]/checkout/spam",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "applying foo:555.fetch HASH",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [],
    "name": "applying foo:555.get roll direction",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_SUMMARY_TEXT@backward@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "merge-base",
      "--is-ancestor",
      "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
      "HASH"
    ],
    "cwd": "[START_DIR]/checkout/spam",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "applying foo:555.get roll direction.is forward",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "merge-base",
      "--is-ancestor",
      "HASH",
      "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
    ],
    "cwd": "[START_DIR]/checkout/spam",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "applying foo:555.get roll direction.is backward",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [],
    "name": "applying foo:555.cancelling roll",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_SUMMARY_TEXT@not updating from aaaaaaa to HASH because aaaaaaa is newer than HASH@@@",
      "@@@STEP_LINK@aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa@https://foo.googlesource.com/ham/+/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa@@@",
      "@@@STEP_LINK@HASH@https://foo.googlesource.com/ham/+/HASH@@@"
    ]
  },
  {
    "cmd": [],
    "name": "authors",
    "~followup_annotations": [
      "@@@STEP_SUMMARY_TEXT@{Account(name='author', email='author@example.com')}@@@"
    ]
  },
  {
    "cmd": [],
    "name": "roll message"
  },
  {
    "cmd": [],
    "name": "roll message.message for ham",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_LINE@template@[roll {project_name}] {sanitized_message}@@@",
      "@@@STEP_LOG_LINE@template@@@@",
      "@@@STEP_LOG_LINE@template@{remote}@@@",
      "@@@STEP_LOG_LINE@template@{project_name} Rolled-Commits: {old_revision:.15}..{new_revision:.15}@@@",
      "@@@STEP_LOG_END@template@@@",
      "@@@STEP_LOG_LINE@kwargs@'new_revision': 'HASH'@@@",
      "@@@STEP_LOG_LINE@kwargs@'old_revision': 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'@@@",
      "@@@STEP_LOG_LINE@kwargs@'original_message': 'module: Short commit summary\\n\\nLonger commit details.\\n\\nBug: 123\\nChange-Id: I4444444444444444444444444444444444444444\\nReviewed-On: https://pigweed-review.googlesource.com/c/project/+/44444'@@@",
      "@@@STEP_LOG_LINE@kwargs@'project_name': 'ham'@@@",
      "@@@STEP_LOG_LINE@kwargs@'remote': 'https://pigweed.googlesource.com/pigweed/pigweed'@@@",
      "@@@STEP_LOG_LINE@kwargs@'sanitized_message': 'module: Short commit summary\\n\\nLonger commit details.\\n\\nOriginal-Bug: 123\\nReviewed-On: https://pigweed-review.googlesource.com/c/project/+/44444'@@@",
      "@@@STEP_LOG_END@kwargs@@@",
      "@@@STEP_LOG_LINE@message@[roll ham] module: Short commit summary@@@",
      "@@@STEP_LOG_LINE@message@@@@",
      "@@@STEP_LOG_LINE@message@Longer commit details.@@@",
      "@@@STEP_LOG_LINE@message@@@@",
      "@@@STEP_LOG_LINE@message@Original-Bug: 123@@@",
      "@@@STEP_LOG_LINE@message@Reviewed-On: https://pigweed-review.googlesource.com/c/project/+/44444@@@",
      "@@@STEP_LOG_LINE@message@@@@",
      "@@@STEP_LOG_LINE@message@https://pigweed.googlesource.com/pigweed/pigweed@@@",
      "@@@STEP_LOG_LINE@message@ham Rolled-Commits: aaaaaaaaaaaaaaa..HASH@@@",
      "@@@STEP_LOG_END@message@@@"
    ]
  },
  {
    "cmd": [],
    "name": "roll message.message for spam",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_LINE@template@[roll {project_name}] {sanitized_message}@@@",
      "@@@STEP_LOG_LINE@template@@@@",
      "@@@STEP_LOG_LINE@template@{remote}@@@",
      "@@@STEP_LOG_LINE@template@{project_name} Rolled-Commits: {old_revision:.15}..{new_revision:.15}@@@",
      "@@@STEP_LOG_END@template@@@",
      "@@@STEP_LOG_LINE@kwargs@'new_revision': '2222222222222222222222222222222222222222'@@@",
      "@@@STEP_LOG_LINE@kwargs@'old_revision': '1111111111111111111111111111111111111111'@@@",
      "@@@STEP_LOG_LINE@kwargs@'original_message': 'module: Short commit summary\\n\\nLonger commit details.\\n\\nBug: 123\\nChange-Id: I2222222222222222222222222222222222222222\\nReviewed-On: https://pigweed-review.googlesource.com/c/project/+/22222'@@@",
      "@@@STEP_LOG_LINE@kwargs@'project_name': 'spam'@@@",
      "@@@STEP_LOG_LINE@kwargs@'remote': 'https://pigweed.googlesource.com/pigweed/pigweed'@@@",
      "@@@STEP_LOG_LINE@kwargs@'sanitized_message': 'module: Short commit summary\\n\\nLonger commit details.\\n\\nOriginal-Bug: 123\\nReviewed-On: https://pigweed-review.googlesource.com/c/project/+/22222'@@@",
      "@@@STEP_LOG_END@kwargs@@@",
      "@@@STEP_LOG_LINE@message@[roll spam] module: Short commit summary@@@",
      "@@@STEP_LOG_LINE@message@@@@",
      "@@@STEP_LOG_LINE@message@Longer commit details.@@@",
      "@@@STEP_LOG_LINE@message@@@@",
      "@@@STEP_LOG_LINE@message@Original-Bug: 123@@@",
      "@@@STEP_LOG_LINE@message@Reviewed-On: https://pigweed-review.googlesource.com/c/project/+/22222@@@",
      "@@@STEP_LOG_LINE@message@@@@",
      "@@@STEP_LOG_LINE@message@https://pigweed.googlesource.com/pigweed/pigweed@@@",
      "@@@STEP_LOG_LINE@message@spam Rolled-Commits: 111111111111111..222222222222222@@@",
      "@@@STEP_LOG_END@message@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "ls-files",
      "--modified",
      "--deleted",
      "--exclude-standard"
    ],
    "cwd": "[START_DIR]/checkout",
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "check for no-op commit",
    "timeout": 60.0,
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@stdout@hello@@@",
      "@@@STEP_LOG_END@stdout@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "add",
      "--update"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "git add",
    "timeout": 60.0
  },
  {
    "cmd": [
      "git",
      "rev-parse",
      "HEAD"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "git rev-parse",
    "timeout": 60.0
  },
  {
    "cmd": [],
    "name": "calculate Change-Id",
    "~followup_annotations": [
      "@@@STEP_TEXT@I27ec3e6a65adbbeb0f5d0b74ef7036a069efcfe8@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "diff",
      "--unified=0",
      "--cached"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "calculate Change-Id.git diff",
    "timeout": 60.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_LINE@diff (without hashes)@diff --git a/foo.txt b/foo.txt@@@",
      "@@@STEP_LOG_LINE@diff (without hashes)@--- a/foo.txt@@@",
      "@@@STEP_LOG_LINE@diff (without hashes)@+++ b/foo.txt@@@",
      "@@@STEP_LOG_LINE@diff (without hashes)@@@ -16 +16 @@@@@",
      "@@@STEP_LOG_LINE@diff (without hashes)@-        foo = 5@@@",
      "@@@STEP_LOG_LINE@diff (without hashes)@+        foo = 6@@@",
      "@@@STEP_LOG_LINE@diff (without hashes)@diff --git a/bar.txt b/bar.txt@@@",
      "@@@STEP_LOG_LINE@diff (without hashes)@--- a/bar.txt@@@",
      "@@@STEP_LOG_LINE@diff (without hashes)@+++ b/bar.txt@@@",
      "@@@STEP_LOG_LINE@diff (without hashes)@@@ -5 +5 @@@@@",
      "@@@STEP_LOG_LINE@diff (without hashes)@-        bar = 0@@@",
      "@@@STEP_LOG_LINE@diff (without hashes)@+        bar = 1@@@",
      "@@@STEP_LOG_LINE@diff (without hashes)@@@@",
      "@@@STEP_LOG_END@diff (without hashes)@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "hash-object",
      "diff --git a/foo.txt b/foo.txt\n--- a/foo.txt\n+++ b/foo.txt\n@@ -16 +16 @@\n-        foo = 5\n+        foo = 6\ndiff --git a/bar.txt b/bar.txt\n--- a/bar.txt\n+++ b/bar.txt\n@@ -5 +5 @@\n-        bar = 0\n+        bar = 1\n####builder####dry-run####"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "calculate Change-Id.git hash-object",
    "timeout": 60.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "[START_DIR]/cipd_tool/path/to/gerrit/version%3Apinned-version/gerrit",
      "change-query",
      "-host",
      "https://pigweed-review.googlesource.com",
      "-input",
      "{\"params\": {\"o\": [\"CURRENT_COMMIT\", \"CURRENT_REVISION\", \"MESSAGES\"], \"q\": \"change:pigweed/pigweed~main~I27ec3e6a65adbbeb0f5d0b74ef7036a069efcfe8\"}}",
      "-output",
      "/path/to/tmp/json"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "check for identical roll",
    "timeout": 600,
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@json.output@null@@@",
      "@@@STEP_LOG_END@json.output@@@",
      "@@@STEP_LOG_LINE@json.input@{@@@",
      "@@@STEP_LOG_LINE@json.input@  \"params\": {@@@",
      "@@@STEP_LOG_LINE@json.input@    \"o\": [@@@",
      "@@@STEP_LOG_LINE@json.input@      \"CURRENT_COMMIT\", @@@",
      "@@@STEP_LOG_LINE@json.input@      \"CURRENT_REVISION\", @@@",
      "@@@STEP_LOG_LINE@json.input@      \"MESSAGES\"@@@",
      "@@@STEP_LOG_LINE@json.input@    ], @@@",
      "@@@STEP_LOG_LINE@json.input@    \"q\": \"change:pigweed/pigweed~main~I27ec3e6a65adbbeb0f5d0b74ef7036a069efcfe8\"@@@",
      "@@@STEP_LOG_LINE@json.input@  }@@@",
      "@@@STEP_LOG_LINE@json.input@}@@@",
      "@@@STEP_LOG_END@json.input@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "commit",
      "-m",
      "[roll ham, spam] Roll 2 commits\n\n[roll ham] module: Short commit summary\n\nLonger commit details.\n\nOriginal-Bug: 123\nReviewed-On: https://pigweed-review.googlesource.com/c/project/+/44444\n\nhttps://pigweed.googlesource.com/pigweed/pigweed\nham Rolled-Commits: aaaaaaaaaaaaaaa..HASH\n\n[roll spam] module: Short commit summary\n\nLonger commit details.\n\nOriginal-Bug: 123\nReviewed-On: https://pigweed-review.googlesource.com/c/project/+/22222\n\nhttps://pigweed.googlesource.com/pigweed/pigweed\nspam Rolled-Commits: 111111111111111..222222222222222\n\n\nRoller-URL: https://ci.chromium.org/b/8945511751514863184\nCq-Cl-Tag: roller-builder:builder\nCq-Cl-Tag: roller-bid:8945511751514863184\nCQ-Do-Not-Cancel-Tryjobs: true\nChange-Id: I27ec3e6a65adbbeb0f5d0b74ef7036a069efcfe8",
      "-a",
      "--author",
      "author <author@pigweed.infra.roller.example.com>"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "git commit",
    "timeout": 600.0
  },
  {
    "cmd": [
      "git",
      "push",
      "--push-option",
      "nokeycheck",
      "origin",
      "HEAD:refs/for/main%l=Commit-Queue+1"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "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~I27ec3e6a65adbbeb0f5d0b74ef7036a069efcfe8@@@"
    ]
  },
  {
    "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~I27ec3e6a65adbbeb0f5d0b74ef7036a069efcfe8\", \"params\": {\"o\": [\"CURRENT_REVISION\"]}}",
      "-output",
      "/path/to/tmp/json"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "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@      \"tag\": \"autogenerated:cv\"@@@",
      "@@@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@      \"tag\": \"autogenerated:cv\"@@@",
      "@@@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~I27ec3e6a65adbbeb0f5d0b74ef7036a069efcfe8\", @@@",
      "@@@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~I27ec3e6a65adbbeb0f5d0b74ef7036a069efcfe8@@@"
    ]
  },
  {
    "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~I27ec3e6a65adbbeb0f5d0b74ef7036a069efcfe8\", \"input\": {\"message\": \"Dry run passed.\"}}",
      "-output",
      "/path/to/tmp/json"
    ],
    "luci_context": {
      "realm": {
        "name": "project:ci"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "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~I27ec3e6a65adbbeb0f5d0b74ef7036a069efcfe8\", @@@",
      "@@@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~I27ec3e6a65adbbeb0f5d0b74ef7036a069efcfe8@@@"
    ]
  },
  {
    "name": "$result"
  }
]