# File lib/compass/commands/update_project.rb, line 24
      def new_compiler_instance(additional_options = {})
        Compass::Compiler.new(working_path,
          projectize(Compass.configuration.sass_dir),
          projectize(Compass.configuration.css_dir),
          Compass.sass_engine_options.merge(:quiet => options[:quiet],
                                            :force => options[:force]).merge(additional_options))
      end