anchor.diff:  
   class ImportFolderAction extends SparkActionWithStatusDialog implements ContextAction {
     ImportFolderAction(Spark spark, SparkDialog dialog)
  -      : super(spark, "folder-import", "Add Folder to Workspace…", dialog);
  +      : super(spark, "folder-import", "Import Folder…", dialog);
   
     void _invoke([List<ws.Resource> resources]) {
       chrome.ChooseEntryOptions options = new chrome.ChooseEntryOptions(
  
positive.code:     });
  
      Future f = spark.jobManager.schedule(new _GitAddJob(operations, files, spark));
      _waitForJob('Git Add', 'Adding files to git…', f);
    }
  
    String get category => 'git';
  
negative.code:       chrome.DirectoryEntry entry = res.entry;
        if (entry != null) {
          Future f = spark.importFolder(resources, entry);
          _waitForJob(name, 'Importing folder…', f);
        }
      });
    }
  