copyright.yml

name: Copyright Check

on:
  pull_request:
  push:

jobs:
  check-copyright:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Skip OM commits
        if: github.event_name == 'push'
        id: skip_check
        run: |
          COMMIT_MSG=$(git log --format=%B -n 1 ${{ github.sha }})
          if [[ "$COMMIT_MSG" =~ ^OM\ PR ]]; then
            echo "skip=true" >> $GITHUB_OUTPUT
          else
            echo "skip=false" >> $GITHUB_OUTPUT
          fi

      - name: Get changed files
        id: changed-files
        if: github.event_name == 'pull_request' || steps.skip_check.outputs.skip != 'true'
        uses: tj-actions/changed-files@v45

      - name: Check copyright in modified files
        if: github.event_name == 'pull_request' || steps.skip_check.outputs.skip != 'true'
        shell: bash
        run: |
          # Get current year
          CURRENT_YEAR=$(date +%Y)
          
          # Initialize error flag
          ERROR=0

          # Loop through each modified file
          for file in ${{ steps.changed-files.outputs.all_changed_files }}; do
            # Skip if file doesn't exist (was deleted)
            if [ ! -f "$file" ]; then
              continue
            fi
          
            # Only check files with specific extensions
            extension="${file##*.}"
            if ! [[ "${extension,,}" =~ ^(css|js|php|phtml|template|xml)$ ]]; then
              continue
            fi

            # Check if file contains the copyright string with current year
            # Pattern matches either:
            # @copyright  Copyright (c) 2024 Maho (https://mahocommerce.com)
            # @copyright  Copyright (c) (2024-)2024 Maho (https://mahocommerce.com)
            if ! grep -E -q "Copyright \(c\) (\(2024-\))?${CURRENT_YEAR} Maho \(https://mahocommerce\.com\)" "$file"; then
              echo "❌ Copyright notice missing in: $file"
              ERROR=1
            fi
          done

          # Exit with error if any file is missing copyright
          if [ $ERROR -eq 1 ]; then
            echo "❌ Error: Some files are missing the required copyright notice"
            exit 1
          fi
          
          echo "✅ Success: All modified files contain the required copyright notice"