main.yml

name: MarkDown filename validation

on:
  pull_request:
    paths:
      - '**/*.md'

jobs:
  kebab-case-check:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v3
        with:
          fetch-depth: 2

      - name: Check filenames for kebab case
        run: |
          Red='\033[0;31m'          # Red
          Green='\033[0;32m'        # Green
          Yellow='\033[0;33m'       # Yellow
          Blue='\033[0;34m'         # Blue
          Reset='\033[0m'           # Reset

          echo  -e "${Blue} Checking all changed Markdown files ..."

          changed_files=$(git diff --name-only  HEAD^1 HEAD | xargs -n1 basename  | grep '\.md$')

          if [ -z "$changed_files" ]; then
            echo -e "${Green} No changed Markdown files in this PR.${Reset}"
            exit 0
          fi
          x=1
          echo -e "${Blue} Changed Markdown files are :.${Reset}"
          echo "$changed_files" | while read -r file; do
              dir=$(dirname "$file")
              base=$(basename "$file")
              echo -e "${Yellow} $x. File: $base, Folder: $dir${Reset}"
              x=$((x + 1))
          done