[
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    ],
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      "@@@STEP_LOG_LINE@default.xml@<manifest>@@@",
      "@@@STEP_LOG_LINE@default.xml@  <!-- single-line comment -->@@@",
      "@@@STEP_LOG_LINE@default.xml@  <remote name=\"foo\" fetch=\"sso://foo\" review=\"sso://foo\" />@@@",
      "@@@STEP_LOG_LINE@default.xml@  <remote name=\"bar\" fetch=\"sso://bar\" review=\"sso://bar\" />@@@",
      "@@@STEP_LOG_LINE@default.xml@  <remote name=\"host\" fetch=\"..\" review=\"sso://host\" />@@@",
      "@@@STEP_LOG_LINE@default.xml@  <remote name=\"dotdot-prefix\" fetch=\"../prefix\" review=\"sso://host/prefix\" />@@@",
      "@@@STEP_LOG_LINE@default.xml@  <remote name=\"host-prefix\" fetch=\"sso://host/prefix\"@@@",
      "@@@STEP_LOG_LINE@default.xml@    review=\"sso://host/prefix\" />@@@",
      "@@@STEP_LOG_LINE@default.xml@  <default remote=\"bar\" />@@@",
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      "@@@STEP_LOG_LINE@default.xml@    revision=\"1111111111111111111111111111111111111111\" upstream=\"main\"/>@@@",
      "@@@STEP_LOG_LINE@default.xml@  <project name=\"b\" path=\"b2\"@@@",
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      "@@@STEP_LOG_LINE@default.xml@  <!--@@@",
      "@@@STEP_LOG_LINE@default.xml@  multi@@@",
      "@@@STEP_LOG_LINE@default.xml@  line@@@",
      "@@@STEP_LOG_LINE@default.xml@  comment@@@",
      "@@@STEP_LOG_LINE@default.xml@  -->@@@",
      "@@@STEP_LOG_LINE@default.xml@  <project name=\"c\" path=\"c3\" revision=\"main\"/>@@@",
      "@@@STEP_LOG_LINE@default.xml@  <project name=\"d\" path=\"d4\"@@@",
      "@@@STEP_LOG_LINE@default.xml@    revision=\"0000000000111111111122222222223333333333\"/>@@@",
      "@@@STEP_LOG_LINE@default.xml@  <project name=\"e5\" revision=\"refs/tags/e\"/>@@@",
      "@@@STEP_LOG_LINE@default.xml@  <project name=\"f\" path=\"f6\" remote=\"host\" revision=\"main\"/>@@@",
      "@@@STEP_LOG_LINE@default.xml@  <project name=\"g\" path=\"g7\" remote=\"dotdot-prefix\" revision=\"main\"/>@@@",
      "@@@STEP_LOG_LINE@default.xml@  <project name=\"h\" path=\"h8\" remote=\"host-prefix\" revision=\"main\"/>@@@",
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      "@@@STEP_LOG_END@default.xml@@@"
    ]
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    "name": "checkout a"
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    ]
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    "infra_step": true,
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    "cmd": [
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    "cmd": [
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    "infra_step": true,
    "name": "checkout a.cache.remote set-url",
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    "cmd": [],
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    "infra_step": true,
    "name": "checkout a.cache.git submodule update",
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    ]
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    "cmd": [
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      "remove",
      "[CACHE]/git/.GUARD_FILE"
    ],
    "infra_step": true,
    "name": "checkout a.cache.remove git cache guard file",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
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    "cmd": [
      "vpython3",
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      "copytree",
      "--symlinks",
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      "[START_DIR]/project"
    ],
    "infra_step": true,
    "name": "checkout a.copy from cache",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
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  {
    "cmd": [],
    "name": "checkout a.git checkout",
    "~followup_annotations": [
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    "cmd": [],
    "name": "checkout a.git checkout.timeout 10s",
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    "cmd": [
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    ],
    "infra_step": true,
    "luci_context": {
      "deadline": {
        "grace_period": 30.0,
        "soft_deadline": 1337000019.0
      }
    },
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    ]
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    "cmd": [
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      "init"
    ],
    "cwd": "[START_DIR]/project",
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    "timeout": 300.0,
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      "@@@STEP_NEST_LEVEL@2@@@"
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    "cmd": [
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      "remote",
      "add",
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      "https://foo.googlesource.com/a"
    ],
    "cwd": "[START_DIR]/project",
    "infra_step": true,
    "name": "checkout a.git checkout.git remote",
    "timeout": 600.0,
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      "@@@STEP_NEST_LEVEL@2@@@"
    ]
  },
  {
    "cmd": [
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      "config",
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    ],
    "cwd": "[START_DIR]/project",
    "infra_step": true,
    "name": "checkout a.git checkout.set core.longpaths",
    "timeout": 300.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@"
    ]
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    "cmd": [
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      "fetch.uriprotocols",
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    "name": "checkout a.git checkout.git rev-parse",
    "timeout": 300.0,
    "~followup_annotations": [
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    "cmd": [
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    "cmd": [],
    "name": "checkout a.git log",
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    "cmd": [
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    "cwd": "[START_DIR]/project",
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    "cmd": [
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    "cmd": [
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    "~followup_annotations": [
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    "cmd": [
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    "infra_step": true,
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      "submodule status filler text",
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    "infra_step": true,
    "name": "checkout a.write submodule snapshot",
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      "@@@STEP_LOG_LINE@submodules.log@submodule status filler text@@@",
      "@@@STEP_LOG_END@submodules.log@@@"
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    "infra_step": true,
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    "cmd": [
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      "main"
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    "name": "git ls-remote",
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    "~followup_annotations": [
      "@@@STEP_LOG_LINE@stdout@h3ll0\trefs/heads/main@@@",
      "@@@STEP_LOG_END@stdout@@@"
    ]
  },
  {
    "cmd": [],
    "name": "get roll direction",
    "~followup_annotations": [
      "@@@STEP_SUMMARY_TEXT@backward@@@"
    ]
  },
  {
    "cmd": [
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      "merge-base",
      "--is-ancestor",
      "1111111111111111111111111111111111111111",
      "h3ll0"
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    "cwd": "[START_DIR]/project",
    "name": "get roll direction.is forward",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
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    "cwd": "[START_DIR]/project",
    "name": "get roll direction.is backward",
    "timeout": 600.0,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [],
    "name": "cancelling roll",
    "~followup_annotations": [
      "@@@STEP_SUMMARY_TEXT@not updating from 1111111 to h3ll0 because 1111111 is newer than h3ll0@@@",
      "@@@STEP_LINK@1111111111111111111111111111111111111111@https://foo.googlesource.com/a/+/1111111111111111111111111111111111111111@@@",
      "@@@STEP_LINK@h3ll0@https://foo.googlesource.com/a/+/h3ll0@@@"
    ]
  },
  {
    "name": "$result"
  }
]