code: func fetchRef(ref string, filter *filepathfilter.Filter) bool {
  	pointers, err := pointersToFetchForRef(ref, filter)
  	if err != nil {
  		Panic(err, "Could not scan for Git LFS files")
  	}
  	return fetchAndReportToChan(pointers, filter, nil)
  }
docs: // Fetch all binaries for a given ref (that we don't have already)