Merge branch 'v0.19.x'

src/storage/CompositeStorage.cxx

@@ -287,6 +287,7 @@ CompositeStorage::GetInfo(const char *uri, bool follow, StorageFileInfo &info,
 		return true;
 	}
 
+	if (!error.IsDefined())
 		error.Set(composite_domain, "No such directory");
 	return false;
 }