name: Dependabot auto-merge patch
on: pull_request_target
    
permissions:
  contents: write
  pull-requests: write
    
jobs:
  dependabot:
    runs-on: ubuntu-latest
    if: ${{ github.actor == 'dependabot[bot]' }}
    env:
      PR_URL: ${{github.event.pull_request.html_url}}
      GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
    steps:
      - name: Dependabot metadata
        id: metadata
        uses: dependabot/fetch-metadata@v1
        with:
          github-token: "${{ secrets.GITHUB_TOKEN }}"
      - name: approve
        if: ${{steps.metadata.outputs.update-type == 'version-update:semver-patch'}}
        run: gh pr review --approve "$PR_URL"
      - name: merge
        if: ${{steps.metadata.outputs.update-type == 'version-update:semver-patch'}}
        run: gh pr merge --auto --squash "$PR_URL"