name: Dependabot auto-merge
on: pull_request

permissions:
  contents: write
  pull-requests: write

jobs:
  dependabot:
    runs-on: ubuntu-latest
    if: github.actor == 'dependabot[bot]'
    steps:
      - name: Dependabot metadata
        id: metadata
        uses: dependabot/fetch-metadata@v1

      - name: Auto-approve all dependabot PRs
        run: gh pr review --approve "$PR_URL"
        env:
          PR_URL: ${{github.event.pull_request.html_url}}
          GH_TOKEN: ${{secrets.GITHUB_TOKEN}}

      - name: Auto-merge dependabot PRs for development dependencies
        if: contains(steps.metadata.outputs.dependency-group, 'development-dependencies')
        run: gh pr merge --auto --rebase "$PR_URL"
        env:
          PR_URL: ${{github.event.pull_request.html_url}}
          GH_TOKEN: ${{secrets.GITHUB_TOKEN}}

      - name: Auto-merge dependabot PRs for go-openapi patches
        if: contains(steps.metadata.outputs.dependency-group, 'go-openapi-dependencies') && (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}}
          GH_TOKEN: ${{secrets.GITHUB_TOKEN}}

      - name: Auto-merge dependabot PRs for golang.org updates
        if: contains(steps.metadata.outputs.dependency-group, 'golang.org-dependencies')
        run: gh pr merge --auto --rebase "$PR_URL"
        env:
          PR_URL: ${{github.event.pull_request.html_url}}
          GH_TOKEN: ${{secrets.GITHUB_TOKEN}}