docs: function gitFetch (dest) {
        var branch = (options.remoteBranch || options.branch) + (dest ? ':' + options.branch : '');
        log.subhead('Fetching "' + options.branch + '" ' + (options.shallowFetch ? 'files' : 'history') + ' from ' + options.remote + '.');
  
        // `--update-head-ok` allows fetch on a branch with uncommited changes
        execWrap('git fetch --update-head-ok ' + progress + depth + remoteName + ' ' + branch, false, true);
      }