pr-target.yml

name: "pr-target"
on:
  pull_request_target:
    types: [opened]

jobs:
  # label with "dev" to enable PR filtering
  label:
    permissions:
      contents: read
      pull-requests: write
    runs-on: ubuntu-latest
    if: ${{ github.event.pull_request.user.login != 'dependabot[bot]' }}
    steps:
      - id: label-the-PR
        uses: actions/labeler@v5
      # Add comment to trigger notification
      - uses: actions/checkout@v4
        if: contains(steps.label-the-PR.outputs.all-labels, 'dev')
      - name: Add comment to PR
        if: contains(steps.label-the-PR.outputs.all-labels, 'dev')
        run: gh pr comment $PR --body "PR created by $USER"
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          PR: ${{ github.event.pull_request.number }}
          USER: ${{ github.event.pull_request.user.login }}

  # automerge successful dependabot PRs
  dependabot:
    permissions:
      pull-requests: write
      contents: write
    runs-on: ubuntu-latest
    if: ${{ github.event.pull_request.user.login == 'dependabot[bot]' }}
    steps:
      - name: Dependabot metadata
        id: dependabot-metadata
        uses: dependabot/fetch-metadata@v2
      - name: Enable auto-merge for Dependabot PRs
        if: ${{steps.dependabot-metadata.outputs.target-branch == 'dev'}}
        run: gh pr merge --auto --merge "$PR_URL"
        env:
          PR_URL: ${{github.event.pull_request.html_url}}
          GH_TOKEN: ${{secrets.GITHUB_TOKEN}}