typedef int each_abbrev_fn(const struct object_id *oid, void *);
-int repo_for_each_abbrev(struct repository *r, const char *prefix, each_abbrev_fn, void *);
+int repo_for_each_abbrev(struct repository *r, const char *prefix,
+ const struct git_hash_algo *algo, each_abbrev_fn, void *);
int set_disambiguate_hint_config(const char *var, const char *value);