studio/.github/workflows/dependabot-auto-merge.yml at f670d8342b6a57cb1455e531f5e4e275296469a4 · Automattic/studio · GitHub

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name: Dependabot Auto-Merge

on: pull_request_target

permissions:
  contents: write
  pull-requests: write

jobs:
  auto-merge:
    runs-on: ubuntu-latest
    if: github.actor == 'dependabot[bot]'
    steps:
      - name: Dependabot metadata
        id: metadata
        uses: dependabot/fetch-metadata@v3
        with:
          github-token: "${{ secrets.GITHUB_TOKEN }}"

      - name: Auto-approve and enable auto-merge for patch updates (all deps)
        if: steps.metadata.outputs.update-type == 'version-update:semver-patch'
        run: |
          gh pr review --approve "$PR_URL"
          gh pr merge --auto --squash "$PR_URL"
        env:
          PR_URL: ${{ github.event.pull_request.html_url }}
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Auto-approve and enable auto-merge for minor updates (dev deps only)
        if: |
          steps.metadata.outputs.dependency-type == 'direct:development' &&
          steps.metadata.outputs.update-type == 'version-update:semver-minor'
        run: |
          gh pr review --approve "$PR_URL"
          gh pr merge --auto --squash "$PR_URL"
        env:
          PR_URL: ${{ github.event.pull_request.html_url }}
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Comment on production minor/major updates requiring manual review
        if: |
          steps.metadata.outputs.dependency-type == 'direct:production' &&
          (steps.metadata.outputs.update-type == 'version-update:semver-minor' ||
           steps.metadata.outputs.update-type == 'version-update:semver-major')
        run: |
          gh pr comment "$PR_URL" --body "⚠️ This PR updates production dependencies and requires manual review before merging."
        env:
          PR_URL: ${{ github.event.pull_request.html_url }}
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Comment on dev major updates requiring manual review
        if: |
          steps.metadata.outputs.dependency-type == 'direct:development' &&
          steps.metadata.outputs.update-type == 'version-update:semver-major'
        run: |
          gh pr comment "$PR_URL" --body "ℹ️ This PR updates development dependencies with major version changes. Please review for potential breaking changes in the build/test pipeline."
        env:
          PR_URL: ${{ github.event.pull_request.html_url }}
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}