auto-merge.yml

name: Dependabot auto-approve & auto-merge
on: 
  pull_request:

permissions:
  pull-requests: write
  contents: write

jobs:
  dependabot:
    runs-on: ubuntu-latest
    # Checking the author will prevent this Action run failing on non-Dependabot PRs
    if: ${{ github.actor == 'dependabot[bot]' }}
    steps:
      - name: Dependabot metadata
        id: dependabot-metadata
        uses: dependabot/fetch-metadata@v2
        with:
          github-token: "${{ secrets.GITHUB_TOKEN }}"
      - uses: actions/checkout@v4
      - name: Approve a PR
        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
        # Only auto merge non-major dependency upgrade
        if: ${{ steps.dependabot-metadata.outputs.update-type != 'version-update:semver-major' }}
        run: gh pr merge --auto --merge "$PR_URL"
        env:
          PR_URL: ${{ github.event.pull_request.html_url }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}