dependabot-automerge.yml

name: Dependabot auto-merge

on:
  pull_request_target:
    types: [opened, synchronize, reopened, ready_for_review]

permissions:
  contents: write
  pull-requests: write

jobs:
  automerge:
    if: github.event.pull_request.user.login == 'dependabot[bot]'
    runs-on: ubuntu-latest
    timeout-minutes: 5
    steps:
      - name: Fetch Dependabot metadata
        id: meta
        uses: dependabot/fetch-metadata@v2.4.0
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}

      # Auto-merge minor and patch updates only — major updates go to a
      # human review queue. github-actions and dev-only npm minor/patch are
      # the safest categories and historically clean every time CI passes.
      - name: Enable auto-merge for safe updates
        if: |
          steps.meta.outputs.update-type == 'version-update:semver-minor' ||
          steps.meta.outputs.update-type == 'version-update:semver-patch'
        env:
          PR_URL: ${{ github.event.pull_request.html_url }}
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: gh pr merge --auto --squash "$PR_URL"