commit.c: allow lookup_commit_reference to handle arbitrary repositories

Signed-off-by: NStefan Beller <sbeller@google.com>
Signed-off-by: NJunio C Hamano <gitster@pobox.com>

commit.c

@@ -36,9 +36,9 @@ struct commit *lookup_commit_reference_gently(struct repository *r,
 	return object_as_type(r, obj, OBJ_COMMIT, quiet);
 }
 
-struct commit *lookup_commit_reference_the_repository(const struct object_id *oid)
+struct commit *lookup_commit_reference(struct repository *r, const struct object_id *oid)
 {
-	return lookup_commit_reference_gently(the_repository, oid, 0);
+	return lookup_commit_reference_gently(r, oid, 0);
 }
 
 struct commit *lookup_commit_or_die(const struct object_id *oid, const char *ref_name)

commit.h

@@ -64,9 +64,8 @@ void add_name_decoration(enum decoration_type type, const char *name, struct obj
 const struct name_decoration *get_name_decoration(const struct object *obj);
 
 struct commit *lookup_commit(struct repository *r, const struct object_id *oid);
-#define lookup_commit_reference(r, o) \
-		lookup_commit_reference_##r(o)
-struct commit *lookup_commit_reference_the_repository(const struct object_id *oid);
+struct commit *lookup_commit_reference(struct repository *r,
+				       const struct object_id *oid);
 struct commit *lookup_commit_reference_gently(struct repository *r,
 					      const struct object_id *oid,
 					      int quiet);