message: Default branch should be set to empty for the git-clone task to use repo default branch
diff: @@ -51,7 +51,7 @@ export const getPipelineParams = (
  case 'GIT_REPO':
  return { ...param, default: gitUrl };
  case 'GIT_REVISION':
  - return { ...param, default: gitRef || 'master' };
  + return { ...param, default: gitRef || '' };
  case 'PATH_CONTEXT':
  return { ...param, default: gitDir.replace(/^\//, '') || param.default };
  case 'IMAGE_NAME':
  