[
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    "cmd": [],
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  },
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    ]
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    "cmd": [],
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    ]
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    ]
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    ]
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    ]
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  {
    "cmd": [],
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    ],
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      "@@@STEP_NEST_LEVEL@1@@@"
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    "cmd": [
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      "submodule status filler text",
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    ],
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    ]
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    "cmd": [
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    ],
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    "cmd": [
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      "copy",
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      "/path/to/tmp/"
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      "@@@STEP_LOG_LINE@default.xml@<manifest>@@@",
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      "@@@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\" />@@@",
      "@@@STEP_LOG_LINE@default.xml@  <project name=\"a\" path=\"a1\" remote=\"foo\"@@@",
      "@@@STEP_LOG_LINE@default.xml@    revision=\"1111111111111111111111111111111111111111\" upstream=\"main\"/>@@@",
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      "@@@STEP_LOG_LINE@default.xml@  line@@@",
      "@@@STEP_LOG_LINE@default.xml@  comment@@@",
      "@@@STEP_LOG_LINE@default.xml@  -->@@@",
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      "@@@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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      "[CACHE]/git/foo.googlesource.com-a/objects\n",
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      "-n",
      "10"
    ],
    "cwd": "[START_DIR]/project",
    "name": "checkout a.git log.[START_DIR]/project",
    "~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,
    "name": "checkout a.mkdir",
    "~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,
    "name": "checkout a.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",
    "name": "checkout a.log",
    "~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,
    "name": "checkout a.write git log",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_END@git.log@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "log",
      "--max-count=1",
      "--pretty=format:%H"
    ],
    "cwd": "[START_DIR]/project",
    "name": "git log"
  },
  {
    "cmd": [],
    "name": "get roll direction",
    "~followup_annotations": [
      "@@@STEP_SUMMARY_TEXT@forward@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "merge-base",
      "--is-ancestor",
      "1111111111111111111111111111111111111111",
      "hash-from-special-checkout"
    ],
    "cwd": "[START_DIR]/project",
    "name": "get roll direction.is forward",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "merge-base",
      "--is-ancestor",
      "hash-from-special-checkout",
      "1111111111111111111111111111111111111111"
    ],
    "cwd": "[START_DIR]/project",
    "name": "get roll direction.is backward",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "vpython",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "copy",
      "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<manifest>\n  <!-- single-line comment -->\n  <remote fetch=\"sso://foo\" name=\"foo\" review=\"sso://foo\" />\n  <remote fetch=\"sso://bar\" name=\"bar\" review=\"sso://bar\" />\n  <remote fetch=\"..\" name=\"host\" review=\"sso://host\" />\n  <remote fetch=\"../prefix\" name=\"dotdot-prefix\" review=\"sso://host/prefix\" />\n  <remote fetch=\"sso://host/prefix\" name=\"host-prefix\" review=\"sso://host/prefix\" />\n  <default remote=\"bar\" />\n  <project name=\"a\" path=\"a1\" remote=\"foo\" revision=\"hash-from-special-checkout\" upstream=\"main\" />\n  <project name=\"b\" path=\"b2\" revision=\"2222222222222222222222222222222222222222\" upstream=\"main\" />\n  <!--\n  multi\n  line\n  comment\n  -->\n  <project name=\"c\" path=\"c3\" revision=\"main\" />\n  <project name=\"d\" path=\"d4\" revision=\"0000000000111111111122222222223333333333\" />\n  <project name=\"e5\" revision=\"refs/tags/e\" />\n  <project name=\"f\" path=\"f6\" remote=\"host\" revision=\"main\" />\n  <project name=\"g\" path=\"g7\" remote=\"dotdot-prefix\" revision=\"main\" />\n  <project name=\"h\" path=\"h8\" remote=\"host-prefix\" revision=\"main\" />\n</manifest>\n",
      "[START_DIR]/checkout/default.xml"
    ],
    "infra_step": true,
    "name": "write manifest",
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@default.xml@<?xml version=\"1.0\" encoding=\"UTF-8\"?>@@@",
      "@@@STEP_LOG_LINE@default.xml@<manifest>@@@",
      "@@@STEP_LOG_LINE@default.xml@  <!-- single-line comment -->@@@",
      "@@@STEP_LOG_LINE@default.xml@  <remote fetch=\"sso://foo\" name=\"foo\" review=\"sso://foo\" />@@@",
      "@@@STEP_LOG_LINE@default.xml@  <remote fetch=\"sso://bar\" name=\"bar\" review=\"sso://bar\" />@@@",
      "@@@STEP_LOG_LINE@default.xml@  <remote fetch=\"..\" name=\"host\" review=\"sso://host\" />@@@",
      "@@@STEP_LOG_LINE@default.xml@  <remote fetch=\"../prefix\" name=\"dotdot-prefix\" review=\"sso://host/prefix\" />@@@",
      "@@@STEP_LOG_LINE@default.xml@  <remote fetch=\"sso://host/prefix\" name=\"host-prefix\" review=\"sso://host/prefix\" />@@@",
      "@@@STEP_LOG_LINE@default.xml@  <default remote=\"bar\" />@@@",
      "@@@STEP_LOG_LINE@default.xml@  <project name=\"a\" path=\"a1\" remote=\"foo\" revision=\"hash-from-special-checkout\" upstream=\"main\" />@@@",
      "@@@STEP_LOG_LINE@default.xml@  <project name=\"b\" path=\"b2\" revision=\"2222222222222222222222222222222222222222\" upstream=\"main\" />@@@",
      "@@@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\" 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\" />@@@",
      "@@@STEP_LOG_LINE@default.xml@</manifest>@@@",
      "@@@STEP_LOG_END@default.xml@@@"
    ]
  },
  {
    "cmd": [],
    "name": "remote"
  },
  {
    "cmd": [
      "git",
      "remote"
    ],
    "cwd": "[START_DIR]/project",
    "name": "remote.name",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "remote",
      "get-url",
      "origin"
    ],
    "cwd": "[START_DIR]/project",
    "name": "remote.url",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [],
    "name": "a1"
  },
  {
    "cmd": [
      "git",
      "log",
      "--pretty=format:%H\n%an\n%ae\n%B",
      "-z",
      "1111111111111111111111111111111111111111..hash-from-special-checkout"
    ],
    "cwd": "[START_DIR]/project",
    "name": "a1.git log",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [],
    "name": "a1.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]/project",
    "infra_step": true,
    "name": "a1.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": "a1.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]/project",
    "infra_step": true,
    "name": "a1.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]/project",
    "infra_step": true,
    "name": "a1.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:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\"}}",
      "-output",
      "/path/to/tmp/json"
    ],
    "cwd": "[START_DIR]/project",
    "name": "a1.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:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\"@@@",
      "@@@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]/project",
    "name": "a1.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": "authors",
    "~followup_annotations": [
      "@@@STEP_SUMMARY_TEXT@{Account(name='author', email='author@example.com')}@@@"
    ]
  },
  {
    "cmd": [],
    "name": "roll message"
  },
  {
    "cmd": [],
    "name": "roll message.message for a1",
    "~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-from-special-checkout'@@@",
      "@@@STEP_LOG_LINE@kwargs@'old_revision': '1111111111111111111111111111111111111111'@@@",
      "@@@STEP_LOG_LINE@kwargs@'original_message': 'foo\\nbar'@@@",
      "@@@STEP_LOG_LINE@kwargs@'project_name': 'a1'@@@",
      "@@@STEP_LOG_LINE@kwargs@'remote': 'https://pigweed.googlesource.com/pigweed/pigweed'@@@",
      "@@@STEP_LOG_LINE@kwargs@'sanitized_message': 'foo\\nbar'@@@",
      "@@@STEP_LOG_END@kwargs@@@",
      "@@@STEP_LOG_LINE@message@[roll a1] foo@@@",
      "@@@STEP_LOG_LINE@message@bar@@@",
      "@@@STEP_LOG_LINE@message@@@@",
      "@@@STEP_LOG_LINE@message@https://pigweed.googlesource.com/pigweed/pigweed@@@",
      "@@@STEP_LOG_LINE@message@a1 Rolled-Commits: 111111111111111..hash-from-speci@@@",
      "@@@STEP_LOG_END@message@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "ls-files",
      "--modified",
      "--deleted",
      "--exclude-standard"
    ],
    "cwd": "[START_DIR]/checkout",
    "name": "check for no-op commit",
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@stdout@hello@@@",
      "@@@STEP_LOG_END@stdout@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "add",
      "--update"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "name": "git add"
  },
  {
    "cmd": [
      "git",
      "rev-parse",
      "HEAD"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "name": "git rev-parse"
  },
  {
    "cmd": [],
    "name": "calculate Change-Id",
    "~followup_annotations": [
      "@@@STEP_TEXT@Idcafe3609bd1c8c808cc0005865453850afdf06e@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "diff",
      "--unified=0",
      "--cached"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "name": "calculate Change-Id.git diff",
    "~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########dry-run####"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "name": "calculate Change-Id.git hash-object",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "[START_DIR]/cipd_tool/path/to/gerrit/version%3Apinned-version/gerrit",
      "change-query",
      "-host",
      "https://host-review.googlesource.com",
      "-input",
      "{\"params\": {\"o\": [\"CURRENT_COMMIT\", \"CURRENT_REVISION\", \"MESSAGES\"], \"q\": \"change:manifest~main~Idcafe3609bd1c8c808cc0005865453850afdf06e\"}}",
      "-output",
      "/path/to/tmp/json"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "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:manifest~main~Idcafe3609bd1c8c808cc0005865453850afdf06e\"@@@",
      "@@@STEP_LOG_LINE@json.input@  }@@@",
      "@@@STEP_LOG_LINE@json.input@}@@@",
      "@@@STEP_LOG_END@json.input@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "commit",
      "-m",
      "[roll a1] foo\nbar\n\nhttps://pigweed.googlesource.com/pigweed/pigweed\na1 Rolled-Commits: 111111111111111..hash-from-speci\nRoller-URL: https://ci.chromium.org/b/0\nCq-Cl-Tag: roller-builder:\nCq-Cl-Tag: roller-bid:0\nCQ-Do-Not-Cancel-Tryjobs: true\nChange-Id: Idcafe3609bd1c8c808cc0005865453850afdf06e",
      "-a"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "name": "git commit"
  },
  {
    "cmd": [
      "git",
      "push",
      "--push-option",
      "nokeycheck",
      "origin",
      "HEAD:refs/for/main%l=Commit-Queue+1"
    ],
    "cwd": "[START_DIR]/checkout",
    "infra_step": true,
    "name": "git push",
    "timeout": 180.0,
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@stdout@@@@",
      "@@@STEP_LOG_END@stdout@@@",
      "@@@STEP_LINK@gerrit link@https://host-review.googlesource.com/q/manifest~main~Idcafe3609bd1c8c808cc0005865453850afdf06e@@@"
    ]
  },
  {
    "cmd": [],
    "name": "check for completion"
  },
  {
    "cmd": [
      "[START_DIR]/cipd_tool/path/to/gerrit/version%3Apinned-version/gerrit",
      "change-detail",
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    "name": "check for completion.check if done (0)",
    "timeout": 600,
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      "@@@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@    }@@@",
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      "@@@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\": \"manifest~main~Idcafe3609bd1c8c808cc0005865453850afdf06e\", @@@",
      "@@@STEP_LOG_LINE@json.input@  \"params\": {@@@",
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      "@@@STEP_LOG_LINE@json.input@  }@@@",
      "@@@STEP_LOG_LINE@json.input@}@@@",
      "@@@STEP_LOG_END@json.input@@@",
      "@@@STEP_LINK@gerrit link@https://host-review.googlesource.com/q/manifest~main~Idcafe3609bd1c8c808cc0005865453850afdf06e@@@"
    ]
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  {
    "cmd": [
      "[START_DIR]/cipd_tool/path/to/gerrit/version%3Apinned-version/gerrit",
      "change-abandon",
      "-host",
      "https://host-review.googlesource.com",
      "-input",
      "{\"change_id\": \"manifest~main~Idcafe3609bd1c8c808cc0005865453850afdf06e\", \"input\": {\"message\": \"Dry run passed.\"}}",
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      "@@@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\": \"manifest~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://host-review.googlesource.com/q/manifest~main~Idcafe3609bd1c8c808cc0005865453850afdf06e@@@"
    ]
  },
  {
    "name": "$result"
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]