code: func (t *stiTar) CreateTarStream(dir string, includeDirInPath bool, writer io.Writer) error {
  	tarWriter := tar.NewWriter(writer)
  	defer tarWriter.Close()
  
  	return t.CreateTarStreamToTarWriter(dir, includeDirInPath, tarWriter, nil)
  }
docs: // CreateTarStream calls CreateTarStreamToTarWriter with a nil logger