struct argv_array;
void expand_ref_prefix(struct argv_array *prefixes, const char *prefix);
-int expand_ref(const char *str, int len, struct object_id *oid, char **ref);
+int expand_ref(struct repository *r, const char *str, int len, struct object_id *oid, char **ref);
int dwim_ref(const char *str, int len, struct object_id *oid, char **ref);
int dwim_log(const char *str, int len, struct object_id *oid, char **ref);