anchor.diff:    }
   }
   
  -void releaseNighly(GrinderContext context) {
  +Future releaseNightly(GrinderContext context) {
     String version =
         _modifyManifestWithDroneIOBuildNumber(context, removeKey: true);
   
  
positive.code:   String filename = 'spark-${version}.zip';
    archive(context, filename);
    context.log('Created ${filename}');
  }
  
  // Creates an archive of the Chrome App.
  
negative.code:   if (!Platform.isWindows) {
      defineTask('release', taskFunction: release, depends : ['mode-notest', 'deploy']);
      defineTask('release-nightly',
                 taskFunction : releaseNightly,
                 depends : ['mode-notest', 'deploy']);
    }
  
  