object.c: allow parse_object_buffer to handle arbitrary repositories

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

object.c

@@ -185,21 +185,21 @@ struct object *lookup_unknown_object(const unsigned char *sha1)
 	return obj;
 }
 
-struct object *parse_object_buffer_the_repository(const struct object_id *oid, enum object_type type, unsigned long size, void *buffer, int *eaten_p)
+struct object *parse_object_buffer(struct repository *r, const struct object_id *oid, enum object_type type, unsigned long size, void *buffer, int *eaten_p)
 {
 	struct object *obj;
 	*eaten_p = 0;
 
 	obj = NULL;
 	if (type == OBJ_BLOB) {
-		struct blob *blob = lookup_blob(the_repository, oid);
+		struct blob *blob = lookup_blob(r, oid);
 		if (blob) {
 			if (parse_blob_buffer(blob, buffer, size))
 				return NULL;
 			obj = &blob->object;
 		}
 	} else if (type == OBJ_TREE) {
-		struct tree *tree = lookup_tree(the_repository, oid);
+		struct tree *tree = lookup_tree(r, oid);
 		if (tree) {
 			obj = &tree->object;
 			if (!tree->buffer)
@@ -211,20 +211,20 @@ struct object *parse_object_buffer_the_repository(const struct object_id *oid, e
 			}
 		}
 	} else if (type == OBJ_COMMIT) {
-		struct commit *commit = lookup_commit(the_repository, oid);
+		struct commit *commit = lookup_commit(r, oid);
 		if (commit) {
-			if (parse_commit_buffer(the_repository, commit, buffer, size, 1))
+			if (parse_commit_buffer(r, commit, buffer, size, 1))
 				return NULL;
-			if (!get_cached_commit_buffer(the_repository, commit, NULL)) {
-				set_commit_buffer(the_repository, commit, buffer, size);
+			if (!get_cached_commit_buffer(r, commit, NULL)) {
+				set_commit_buffer(r, commit, buffer, size);
 				*eaten_p = 1;
 			}
 			obj = &commit->object;
 		}
 	} else if (type == OBJ_TAG) {
-		struct tag *tag = lookup_tag(the_repository, oid);
+		struct tag *tag = lookup_tag(r, oid);
 		if (tag) {
-			if (parse_tag_buffer(the_repository, tag, buffer, size))
+			if (parse_tag_buffer(r, tag, buffer, size))
 			       return NULL;
 			obj = &tag->object;
 		}

object.h

@@ -138,8 +138,7 @@ struct object *parse_object_or_die(const struct object_id *oid, const char *name
  * parsing it.  eaten_p indicates if the object has a borrowed copy
  * of buffer and the caller should not free() it.
  */
-#define parse_object_buffer(r, o, t, s, b, e) parse_object_buffer_##r(o, t, s, b, e)
-struct object *parse_object_buffer_the_repository(const struct object_id *oid, enum object_type type, unsigned long size, void *buffer, int *eaten_p);
+struct object *parse_object_buffer(struct repository *r, const struct object_id *oid, enum object_type type, unsigned long size, void *buffer, int *eaten_p);
 
 /** Returns the object, with potentially excess memory allocated. **/
 struct object *lookup_unknown_object(const unsigned  char *sha1);