pr-check-file-names.yml

name: Check filenames for spaces

on:
  pull_request:
    branches: [main]

jobs:
  check-filenames-spaces:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0  # Fetch all history to ensure we can access all branches

      - name: Check filenames for spaces
        id: list-files
        run: |
          # Get the list of added files from the pull request
          FILENAMES_SPACES=$(git diff --name-only origin/main...HEAD | ( grep "\s" || true ) )

          if [ -n "$FILENAMES_SPACES" ]; then
            echo "Rejecting merge. PR has the following files with spaces in their names:"
            echo "$FILENAMES_SPACES"
            echo "Please replace the spaces, for example, with a dash."
            exit 1

          else
            echo "All added files have no spaces."
          fi