dependabot-automerge.yml

name: Dependabot auto-merge
on: 
  merge_group:
  pull_request:

permissions:
  contents: read

jobs:
  dependabot:
    runs-on: ubuntu-latest
    permissions: # https://docs.github.com/en/actions/security-guides/automatic-token-authentication#permissions-for-the-github_token
      contents: write
      pull-requests: write
    if: ${{ github.actor == 'dependabot[bot]' }}
    
    steps:
      - name: Harden Runner
        uses: step-security/harden-runner@1b05615854632b887b69ae1be8cbefe72d3ae423 # v2.5.0
        with:
          disable-sudo: true
          egress-policy: block
          allowed-endpoints: >
            api.github.com:443

      - name: Dependabot metadata
        id: metadata
        uses: dependabot/fetch-metadata@c9c4182bf1b97f5224aee3906fd373f6b61b4526 # v1.6.0
        with:
          github-token: "${{ secrets.GITHUB_TOKEN }}"

      - name: Enable auto-merge for Dependabot PRs
        if: ${{ steps.metadata.outputs.update-type == 'version-update:semver-minor' || steps.metadata.outputs.update-type == 'version-update:semver-patch' }}
        run: gh pr merge --auto --rebase "$PR_URL"
        env:
          PR_URL: ${{github.event.pull_request.html_url}}
          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}