def source_files
      return @source_files if @source_files

      old_dir = Dir.pwd
      Dir.chdir @rakefile_path
      @source_files = Rake::Path.find_files(@source_search_paths, source_file_extension).uniq.sort
      Dir.chdir old_dir
      @source_files
    end
def source_files
      return @source_files if @source_files

      old_dir = Dir.pwd
      Dir.chdir @rakefile_path
      @source_files = Rake::Path.find_files(@source_search_paths, source_file_extension).uniq.sort
      Dir.chdir old_dir
      @source_files
    end
Source files found in source_search_paths