name: auto-merge

on:
  pull_request_target:
    types:
      - opened

permissions:
  pull-requests: write
  contents: write

jobs:
  auto-merge:
    if: ${{ github.actor == 'dependabot[bot]' }}
    runs-on: ubuntu-latest
    steps:
      - name: Dependabot metadata
        id: dependabot-metadata
        uses: dependabot/fetch-metadata@v2.1.0
        with:
          github-token: ${{ secrets.PUSH_TOKEN }}

      - name: Approve Pull Request
        if: ${{ steps.dependabot-metadata.outputs.update-type != 'version-update:semver-major' }}
        run: gh pr review -R "${{ github.repository }}" --approve "${{ github.event.pull_request.number }}"
        env:
          GITHUB_TOKEN: ${{ secrets.PUSH_TOKEN }}

      - name: Enable auto-merge for Dependabot PRs
        if: ${{ steps.dependabot-metadata.outputs.update-type != 'version-update:semver-major' }}
        run: gh pr merge -R "${{ github.repository }}" --merge --auto "${{ github.event.pull_request.number }}"
        env:
          GITHUB_TOKEN: ${{ secrets.PUSH_TOKEN }}