dependabot-auto-merge.yml

name: Dependabot Auto-Merge

on:
  pull_request_target:
    types:
      - opened
      - synchronize
      - reopened

permissions:
  pull-requests: write
  contents: write

jobs:
  auto-merge:
    runs-on: ubuntu-latest
    if: github.event.pull_request.user.login == 'dependabot[bot]'

    steps:
      - name: Dependabot metadata
        id: metadata
        uses: dependabot/fetch-metadata@v2
        with:
          github-token: "${{ secrets.GITHUB_TOKEN }}"

      - name: Enable auto-merge for patch updates
        if: steps.metadata.outputs.update-type == 'version-update:semver-patch'
        run: |
          gh pr merge "${{ github.event.pull_request.number }}" \
            --auto \
            --squash
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          GH_REPO: ${{ github.repository }}

      - name: Flag minor and major updates for manual review
        if: |
          steps.metadata.outputs.update-type == 'version-update:semver-major' ||
          steps.metadata.outputs.update-type == 'version-update:semver-minor'
        run: |
          gh pr comment "${{ github.event.pull_request.number }}" \
            --body "⚠️ This is a **${{ steps.metadata.outputs.update-type }}** update. Please review manually before merging."

          gh pr edit "${{ github.event.pull_request.number }}" \
            --add-label "dependencies,manual-review-required"
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          GH_REPO: ${{ github.repository }}