func (h *handler) syncCollection(srcfs, dstfs arvados.CustomFileSystem, path string) error {
coll, _ := h.determineCollection(srcfs, path)
if coll == nil || coll.UUID == "" {
func (h *handler) syncCollection(srcfs, dstfs arvados.CustomFileSystem, path string) error {
coll, _ := h.determineCollection(srcfs, path)
if coll == nil || coll.UUID == "" {