const unsigned char *sha1,
                                   int quiet)
 {
-       if (obj->type != TYPE_COMMIT) {
+       if (obj->type != OBJ_COMMIT) {
                if (!quiet)
                        error("Object %s is a %s, not a commit",
                              sha1_to_hex(sha1), typename(obj->type));
        if (!obj) {
                struct commit *ret = alloc_commit_node();
                created_object(sha1, &ret->object);
-               ret->object.type = TYPE_COMMIT;
+               ret->object.type = OBJ_COMMIT;
                return ret;
        }
        if (!obj->type)
-               obj->type = TYPE_COMMIT;
+               obj->type = OBJ_COMMIT;
        return check_commit(obj, sha1, 0);
 }