dependabot-auto-merge.yml

# Copied from https://github.com/spatie/package-skeleton-laravel/blob/main/.github/workflows/dependabot-auto-merge.yml
# See https://docs.github.com/en/enterprise-cloud@latest/code-security/dependabot/working-with-dependabot/automating-dependabot-with-github-actions#enable-auto-merge-on-a-pull-request
name: dependabot-auto-merge

# We're using pull_request_target instead of pull_request due to permission issues with the pull_request target:
# https://docs.github.com/en/code-security/dependabot/working-with-dependabot/automating-dependabot-with-github-actions#responding-to-events
on: pull_request_target

permissions:
  pull-requests: write
  contents: write

jobs:
  dependabot:
    name: "Dependabot auto-merge"
    runs-on: ubuntu-latest
    timeout-minutes: 5

    if: ${{ github.actor == 'dependabot[bot]' }}

    steps:
      - name: "Dependabot metadata"
        # https://docs.github.com/en/enterprise-cloud@latest/code-security/dependabot/working-with-dependabot/automating-dependabot-with-github-actions#fetch-metadata-about-a-pull-request
        id: metadata
        uses: dependabot/fetch-metadata@v2.1.0
        with:
          github-token: "${{ secrets.GITHUB_TOKEN }}"

      # does not work, see https://github.com/dependabot/fetch-metadata/issues/499
      #      - name: "Auto-merge Dependabot PRs for semver-minor updates"
      #        if: ${{ steps.metadata.outputs.update-type == 'version-update:semver-minor' }}
      #        run: gh pr merge --auto --rebase "$PR_URL"
      #        env:
      #          PR_URL: "${{ github.event.pull_request.html_url }}"
      #          github-token: "${{ secrets.GITHUB_TOKEN }}"
      #
      #      - name: "Auto-merge Dependabot PRs for semver-patch updates"
      #        if: ${{ steps.metadata.outputs.update-type == 'version-update:semver-patch' }}
      #        run: gh pr merge --auto --rebase "$PR_URL"
      #        env:
      #          PR_URL: "${{ github.event.pull_request.html_url }}"
      #          github-token: "${{ secrets.GITHUB_TOKEN }}"

      - name: "Enable auto-merge"
        if: ${{ steps.metadata.outputs.dependency-type == 'direct:development' }}
        run: gh pr merge -R "${{ github.repository }}" --squash --auto "${{ github.event.pull_request.number }}"
        env:
          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"