index b1ab75ff0164b0090f43ba55d2a70239ca2fdb7a..e574c4b7a496d3a1d113801214197a04d5c74d42 100644 (file)
--- a/tag.c
+++ b/tag.c
const char *tag_type = "tag";
-struct object *deref_tag(struct object *o)
+struct object *deref_tag(struct object *o, const char *warn, int warnlen)
{
while (o && o->type == tag_type)
o = parse_object(((struct tag *)o)->tagged->sha1);
+ if (!o && warn) {
+ if (!warnlen)
+ warnlen = strlen(warn);
+ error("missing object referenced by '%.*s'", warnlen, warn);
+ }
return o;
}