Small bugfixes for http-push.c

[git.git] / tag.c

diff --git a/tag.c b/tag.c
index b1ab75f..e574c4b 100644 (file)
--- a/tag.c
+++ b/tag.c
@@ -3,10 +3,15 @@
 
 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;
 }