dependabot-automation.yml

name: Dependabot Pull Request Approve and Merge
on: pull_request

permissions:
  pull-requests: write
  contents: write

jobs:
  dependabot:
    if: ${{ github.actor == 'dependabot[bot]' }}
    runs-on: ubuntu-latest
    steps:
      # This first step will fail if there's no metadata and so the approval
      # will not occur.
      - name: Dependabot metadata
        id: metadata
        uses: dependabot/fetch-metadata@v1.3.0
        with:
          github-token: "${{ secrets.GITHUB_TOKEN }}"
      # Here the PR gets approved.
      - 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 }}
      # Finally, this sets the PR to allow auto-merging for patch and minor
      # updates if all checks pass
      - name: Enable auto-merge for Dependabot PRs
        if: ${{ steps.metadata.outputs.update-type != 'version-update:semver-major' }}
        run: gh pr merge --auto --merge "$PR_URL"
        env:
          PR_URL: ${{ github.event.pull_request.html_url }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}