refs.c: add repo_dwim_ref()

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

refs.c

@@ -555,14 +555,20 @@ static char *substitute_branch_name(struct repository *r,
 	return NULL;
 }
 
-int dwim_ref(const char *str, int len, struct object_id *oid, char **ref)
+int repo_dwim_ref(struct repository *r, const char *str, int len,
+		  struct object_id *oid, char **ref)
 {
-	char *last_branch = substitute_branch_name(the_repository, &str, &len);
-	int   refs_found  = expand_ref(the_repository, str, len, oid, ref);
+	char *last_branch = substitute_branch_name(r, &str, &len);
+	int   refs_found  = expand_ref(r, str, len, oid, ref);
 	free(last_branch);
 	return refs_found;
 }
 
+int dwim_ref(const char *str, int len, struct object_id *oid, char **ref)
+{
+	return repo_dwim_ref(the_repository, str, len, oid, ref);
+}
+
 int expand_ref(struct repository *repo, const char *str, int len,
 	       struct object_id *oid, char **ref)
 {

refs.h

@@ -149,6 +149,7 @@ struct argv_array;
 void expand_ref_prefix(struct argv_array *prefixes, const char *prefix);
 
 int expand_ref(struct repository *r, const char *str, int len, struct object_id *oid, char **ref);
+int repo_dwim_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);