# File lib/compass/commands/update_project.rb, line 71
      def new_config?(compiler)
        config_file = Compass.detect_configuration_file
        return false unless config_file
        config_mtime = File.mtime(config_file)
        compiler.file_list.each do |(_, css_filename, _)|
          return config_file if File.exists?(css_filename) && config_mtime > File.mtime(css_filename)
        end
        nil
      end