anchor.diff:          spark.showSuccessMessage('Clone cancelled');
         } else if (e is SparkException &&
             e.errorCode == SparkErrorConstants.GIT_SUBMODULES_NOT_YET_SUPPORTED) {
  -        spark.showErrorMessage('Error cloning Git project',
  +        spark.showErrorMessage('Error while cloning Git project',
               message: 'Could not clone "${projectName}": ' + e.message);
         } else {
  -        spark.showErrorMessage('Error cloning Git project',
  +        spark.showErrorMessage('Error while cloning Git project',
               message: 'Error while cloning "${projectName}".', exception: e);
         }
       }).whenComplete(() {
  
positive.code:       _hide();
      }).catchError((e) {
        spark.showErrorMessage(
            'Error creating branch ${_branchNameElement.value}', exception: e);
      });
      _branchNameElement.disabled = false;
    }
  
negative.code: 
      spark.jobManager.schedule(
          new CompileDartJob(spark, resource, resource.name)).catchError((e) {
        spark.showErrorMessage('Error while compiling ${resource.name}', exception: e);
      });
    }
  
  