anchor.diff:        }
       }));
     }
  -}+}
  
positive.code:       print('[sass_transformer] processing: ${id}');
  
        //TODO: add support for no-symlinks packages
        options.includePaths.add(dirname(id.path).replaceFirst('lib', 'packages/${id.package}'));
        if (mode == BarbackMode.DEBUG)
          print('[sass_transformer] includePaths: ${options.includePaths}');
        try {
          var output = await (new Sass()
                  ..scss = id.extension == '.scss'
                  ..loadPath = options.includePaths
                  ..executable = options.executable
                ).transform(content);
          var newId = id.changeExtension('.css');
          transform.addOutput(new Asset.fromString(newId, output));
          // (this is to no output scss files in build folder)
  
negative.code: import 'package:path/path.dart';
  import 'sass.dart';
  import 'src/transformer_options.dart';
  
  /// Transformer used by `pub build` and `pub serve` to convert Sass-files to CSS.
  class SassTransformer extends AggregateTransformer {
  