release-note-file.yml

name: Check Release Notes Filenames

on:
  pull_request:

jobs:
  check-filenames:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 2  # Ensures we have at least one previous commit for diffing

      - name: Find invalid filenames in added/modified files
        run: |
            git fetch origin ${{ github.base_ref }} --depth=1
            git diff --name-only --diff-filter=A origin/${{ github.base_ref }} | grep '^source/releasenotes/' | while read -r file; do
            filename=$(basename "$file")
            name="${filename%.*}"  # Remove only the last extension
            ext="${filename##*.}"
            # Check for multiple dots in the filename (excluding extension)
            if [[ "$name" == *.* ]]; then
              echo "Invalid file: $file (multiple dots in filename)"
              exit 1
            fi
            # Check for missing .md extension
            if [[ "$ext" != "md" ]]; then
              echo "Invalid file: $file (missing .md extension)"
              exit 1
            fi
            done