DependabotAutoMerge.yml

name: Dependabot auto-merge

on:
  pull_request:

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:

  dependabot:
    name: Dependabot auto-merge
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write

    if: github.actor == 'dependabot[bot]'

    steps:

      # https://github.com/marketplace/actions/fetch-metadata-from-dependabot-prs
      # https://docs.github.com/en/code-security/dependabot/working-with-dependabot/automating-dependabot-with-github-actions#enable-auto-merge-on-a-pull-request
      - name: Dependabot metadata
        id: metadata
        uses: dependabot/fetch-metadata@v2
        with:
          github-token: "${{ secrets.GITHUB_TOKEN }}"
      - name: Auto-merge dependabot non-major updates
        if: steps.metadata.outputs.update-type != 'version-update:semver-major'
        run: gh pr merge --auto --merge "$PR_URL"
        env:
          PR_URL: ${{github.event.pull_request.html_url}}
          GH_TOKEN: ${{secrets.GITHUB_TOKEN}}