# File lib/compass/commands/update_project.rb, line 58
      def prepare_project!(compiler)
        if options[:project_name]
          Compass.configuration.project_path = File.expand_path(options[:project_name])
        end

        if config_file = new_config?(compiler)
          compiler.logger.record :modified, relativize(config_file)
          compiler.logger.record :clean, relativize(Compass.configuration.css_path)
          compiler.clean!
        end
      end