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      "@@@STEP_LOG_LINE@kwargs@'sanitized_message': 'foo\\nbar'@@@",
      "@@@STEP_LOG_END@kwargs@@@",
      "@@@STEP_LOG_LINE@message@[roll b2] foo@@@",
      "@@@STEP_LOG_LINE@message@bar@@@",
      "@@@STEP_LOG_LINE@message@@@@",
      "@@@STEP_LOG_LINE@message@https://pigweed.googlesource.com/pigweed/pigweed@@@",
      "@@@STEP_LOG_LINE@message@b2 Rolled-Commits: 222222222222222..2d72510e447ab60@@@",
      "@@@STEP_LOG_END@message@@@"
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        "hostname": "rdbhost"
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    "name": "git rev-parse",
    "timeout": 300.0
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  {
    "cmd": [],
    "name": "calculate Change-Id",
    "~followup_annotations": [
      "@@@STEP_TEXT@I29f17ffd56e9f40bfb35bf83965b9a4effec4d69@@@"
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  {
    "cmd": [
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    "name": "calculate Change-Id.git diff",
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    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
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      "@@@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@@@",
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      "@@@STEP_LOG_LINE@diff (without hashes)@@@@",
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    "cmd": [
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    "~followup_annotations": [
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    "cmd": [
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      "change-query",
      "-host",
      "https://host-review.googlesource.com",
      "-input",
      "{\"params\": {\"o\": [\"CURRENT_COMMIT\", \"CURRENT_REVISION\", \"MESSAGES\", \"DETAILED_ACCOUNTS\"], \"q\": \"change:manifest~main~I29f17ffd56e9f40bfb35bf83965b9a4effec4d69\"}}",
      "-output",
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    "name": "check for identical roll",
    "timeout": 600,
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@json.output@[]@@@",
      "@@@STEP_LOG_END@json.output@@@",
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      "@@@STEP_LOG_LINE@json.input@  \"params\": {@@@",
      "@@@STEP_LOG_LINE@json.input@    \"o\": [@@@",
      "@@@STEP_LOG_LINE@json.input@      \"CURRENT_COMMIT\",@@@",
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      "@@@STEP_LOG_LINE@json.input@    ],@@@",
      "@@@STEP_LOG_LINE@json.input@    \"q\": \"change:manifest~main~I29f17ffd56e9f40bfb35bf83965b9a4effec4d69\"@@@",
      "@@@STEP_LOG_LINE@json.input@  }@@@",
      "@@@STEP_LOG_LINE@json.input@}@@@",
      "@@@STEP_LOG_END@json.input@@@"
    ]
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    "cmd": [
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      "[roll b2] foo\nbar\n\nhttps://pigweed.googlesource.com/pigweed/pigweed\nb2 Rolled-Commits: 222222222222222..2d72510e447ab60\nRoller-URL: https://ci.chromium.org/b/8945511751514863184\nCQ-Do-Not-Cancel-Tryjobs: true\nChange-Id: I29f17ffd56e9f40bfb35bf83965b9a4effec4d69",
      "-a",
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  },
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    "cmd": [
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      "nokeycheck",
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      "HEAD:refs/for/main%l=Commit-Queue+1"
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    "infra_step": true,
    "luci_context": {
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    "~followup_annotations": [
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    ]
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  {
    "cmd": [],
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    ]
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    "name": "check for completion"
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      "change-detail",
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      "@@@STEP_LOG_LINE@json.output@    {@@@",
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      "@@@STEP_LOG_LINE@json.output@  ],@@@",
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      "@@@STEP_LOG_LINE@json.output@}@@@",
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      "@@@STEP_LOG_LINE@json.input@  \"change_id\": \"manifest~main~I29f17ffd56e9f40bfb35bf83965b9a4effec4d69\",@@@",
      "@@@STEP_LOG_LINE@json.input@  \"params\": {@@@",
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      "@@@STEP_LOG_LINE@json.input@  }@@@",
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      "change-abandon",
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      "https://host-review.googlesource.com",
      "-input",
      "{\"change_id\": \"manifest~main~I29f17ffd56e9f40bfb35bf83965b9a4effec4d69\", \"input\": {\"message\": \"Dry run passed.\"}}",
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      "@@@STEP_LOG_END@json.output (exception)@@@",
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      "@@@STEP_LOG_LINE@json.input@  \"change_id\": \"manifest~main~I29f17ffd56e9f40bfb35bf83965b9a4effec4d69\",@@@",
      "@@@STEP_LOG_LINE@json.input@  \"input\": {@@@",
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      "@@@STEP_LOG_LINE@json.input@  }@@@",
      "@@@STEP_LOG_LINE@json.input@}@@@",
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      "@@@STEP_LINK@gerrit link@https://host-review.googlesource.com/q/manifest~main~I29f17ffd56e9f40bfb35bf83965b9a4effec4d69@@@"
    ]
  },
  {
    "name": "$result",
    "summaryMarkdown": "Dry run succeeded. [gerrit link](https://host-review.googlesource.com/q/manifest~main~I29f17ffd56e9f40bfb35bf83965b9a4effec4d69)"
  }
]