Merge branch 'cb/maint-fetch-refspec-wo-dst'

* cb/maint-fetch-refspec-wo-dst:
  fetch: do not create ref from empty name

remote.c

@@ -1277,7 +1277,7 @@ struct ref *get_remote_ref(const struct ref *remote_refs, const char *name)
 
 static struct ref *get_local_ref(const char *name)
 {
-	if (!name)
+	if (!name || name[0] == '\0')
 		return NULL;
 
 	if (!prefixcmp(name, "refs/"))