code: func (s *GitScanner) ScanUnpushed(remote string, cb GitScannerFoundPointer) error {
  	callback, err := firstGitScannerCallback(cb, s.FoundPointer)
  	if err != nil {
  		return err
  	}
  	return scanUnpushed(callback, remote)
  }
docs: // ScanUnpushed scans history for all LFS pointers which have been added but not
  // pushed to the named remote. remote can be left blank to mean 'any remote'.