pr_towncrier.yml

name: Pull Request requires towncrier file

on:
  - pull_request

jobs:
  pr_require_towncrier_file:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Ensure towncrier file exists
        env:
          PR_NUMBER: ${{ github.event.number }}
        run: |
          if [ ! -f "changes/${PR_NUMBER}.feature" ] && [ ! -f "changes/${PR_NUMBER}.bugfix" ] && [ ! -f "changes/${PR_NUMBER}.doc" ] && [ ! -f "changes/${PR_NUMBER}.removal" ] && [ ! -f "changes/${PR_NUMBER}.misc" ]; then
            echo "Towncrier file for #${PR_NUMBER} not found. Please add a changes file to the `changes/` directory. See README.rst for more information."
            exit 1
          fi