anchor.diff:          } else {
             Set<Path> directoriesToCreate = new Set<Path>(); 
   
  +          Set<FileNode> neededFiles = this.getFileNodes();
  +          
             // Create list of directories there is needed
  -          _dependencies.forEach((FileNode node) {
  +          neededFiles.forEach((FileNode node) {
               Path directory = spawnDirectoryPath.join(node.path).directoryPath;
               directoriesToCreate.add(directory);
             });
  
positive.code:             // file will be downloaded from the network.
              List<RequestBundle> missingFiles = new List<RequestBundle>();
              
              Future.wait(_dependencies.map((FileNode node) {
                Path hashFilePath = 
                    hashDirPath.append("${node.fileHashString}.dart");
                
  
negative.code:     returnMap[_PATH] = this._path.toString();
      returnMap[_HASH] = this._fileHash;
      
      if (this._dependencies != null && this._dependencies.length > 0) {
        returnMap[_DEPENDENCIES] = this._dependencies.map((FileNode node) {
          var map = new Map();
          
          map[_NAME] = node._name;
          map[_PATH] = node._path.toString();
          map[_HASH] = node._fileHash;
          
          return map;
        }).toList(growable: false);
      }
      
      return returnMap;
    }
  