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AI / RenovateBot Interview Questions

What is automerge in Renovate and what are the different automerge strategies?

Automerge allows Renovate to merge a PR automatically once all status checks pass. This is most useful for patch updates and trusted packages where CI provides sufficient confidence.

{
  "packageRules": [
    {
      "matchUpdateTypes": ["patch"],
      "automerge": true,
      "automergeType": "pr"
    },
    {
      "matchDepTypes": ["devDependencies"],
      "matchUpdateTypes": ["minor", "patch"],
      "automerge": true,
      "automergeStrategy": "squash"
    },
    {
      "matchDepTypes": ["dependencies"],
      "matchUpdateTypes": ["major"],
      "automerge": false
    }
  ]
}

automergeType values
ValueBehaviour
pr (default)Creates a normal PR; merges it when all checks pass
branchCommits directly to the default branch without creating a PR
pr-commentPosts a comment to trigger automerge via a bot comment
What is the difference between automergeType 'pr' and 'branch'?
Which type of updates is safest to enable automerge for as a starting point?

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