automerge.yml

# The pull_request_target workflow trigger is dangerous. Do not add unrelated logic to this workflow.
# https://securitylab.github.com/research/github-actions-preventing-pwn-requests/
# https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#pull_request_target
name: Auto-merge
on: pull_request_target
permissions:
  pull-requests: write  # to approve the PR
  contents: write  # to merge the PR
jobs:
  dependabot:
    if: ${{ github.actor == 'dependabot[bot]' }}
    runs-on: ubuntu-latest
    steps:
      - id: dependabot-metadata
        uses: dependabot/fetch-metadata@v2
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
      - if: ${{ steps.dependabot-metadata.outputs.update-type != 'version-update:semver-major' || steps.dependabot-metadata.outputs.package-ecosystem == 'github_actions' }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: gh pr review --approve ${{ github.event.pull_request.html_url }}
      - if: ${{ steps.dependabot-metadata.outputs.update-type != 'version-update:semver-major' || steps.dependabot-metadata.outputs.package-ecosystem == 'github_actions' }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: gh pr merge --auto --squash ${{ github.event.pull_request.html_url }}