dependabot-automerge.yaml

name: Approve and enable auto-merge for Dependabot PRs

on:
  workflow_call:
  pull_request:
    paths:
      - '.github/workflows/dependabot-automerge.yaml'

permissions:
  pull-requests: write
  contents: write

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

      # Direct dev dependencies
      - name: Approve PR and auto-merge all dev-dependencies
        if: ${{contains(steps.metadata.outputs.dependency-type, 'direct:development')}}
        env:
          PR_URL: ${{github.event.pull_request.html_url}}
          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
        run: |
          gh pr review --approve "$PR_URL"
          gh pr merge --auto --squash "$PR_URL"

      # Direct prod dependencies
      - name: Approve PR and auto-merge prod-dependencies (only patches)
        if: ${{contains(steps.metadata.outputs.dependency-type, 'direct:production') && steps.metadata.outputs.update-type == 'version-update:semver-patch'}}
        env:
          PR_URL: ${{github.event.pull_request.html_url}}
          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
        run: |
          gh pr review --approve "$PR_URL"
          gh pr merge --auto --squash "$PR_URL"

      # Indirect dependencies
      - name: Approve PR and auto-merge all indirect dependencies
        if: ${{contains(steps.metadata.outputs.dependency-type, 'indirect') && steps.metadata.outputs.update-type == 'version-update:semver-patch'}}
        env:
          PR_URL: ${{github.event.pull_request.html_url}}
          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
        run: |
          gh pr review --approve "$PR_URL"
          gh pr merge --auto --squash "$PR_URL"