dependabot-auto-merge.yml

# References:
# * https://docs.github.com/en/code-security/dependabot/working-with-dependabot/automating-dependabot-with-github-actions
# * https://github.com/dependabot/fetch-metadata

name: Dependabot auto-merge
on: pull_request

permissions:
  contents: write
  pull-requests: write

env:
  ACTIONS_RUNNER_DEBUG: true
  ACTIONS_STEP_DEBUG: true

jobs:
  dependabot:
    runs-on: ubuntu-latest
    if: ${{ github.actor == 'dependabot[bot]' }}
    steps:
      - name: Dependabot metadata
        id: metadata
        uses: dependabot/fetch-metadata@v2
        with:
          github-token: "${{ secrets.GITHUB_TOKEN }}"

      - name: Approve a PR
        if: ${{contains(steps.metadata.outputs.directory, '/test')}}
        run: gh pr review --approve "$PR_URL"
        env:
          PR_URL: ${{github.event.pull_request.html_url}}
          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}

      - name: Enable auto-merge for Dependabot PRs
        if: success()
        run: gh pr merge --auto --squash "$PR_URL"
        env:
          PR_URL: ${{github.event.pull_request.html_url}}
          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}