name: Dependabot auto-merge

on:
  pull_request_target:
    types: opened

permissions:
  contents: write
  pull-requests: write

jobs:
  dependabot:
    runs-on: ubuntu-latest
    if : ${{ github.actor == 'dependabot[bot]' }}

    steps:
      - name: Dependabot metadata
        uses: dependabot/fetch-metadata@v2
        id: metadata
    
      - name: Enable auto-merge for Dependabot PRs
        if: ${{ steps.metadata.outputs.update-type == 'version-update:semver-minor' || steps.metadata.outputs.update-type == 'version-update:semver-patch' }}
        run: gh pr merge --auto --merge "$PR_URL"
        env:
          PR_URL: ${{ github.event.pull_request.html_url }}
          GH_TOKEN: ${{ github.token }}