Be careful when dereferencing tags.
One caller of deref_tag() was not careful enough to make sure
what deref_tag() returned was not NULL (i.e. we found a tag
object that points at an object we do not have). Fix it, and
warn about refs that point at such an incomplete tag where
needed.
Signed-off-by: Junio C Hamano <junkio@cox.net>
diff --git a/upload-pack.c b/upload-pack.c
index c5eff21..be63132 100644
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -226,7 +226,7 @@
nr_our_refs++;
}
if (o->type == tag_type) {
- o = deref_tag(o);
+ o = deref_tag(o, refname, 0);
packet_write(1, "%s %s^{}\n", sha1_to_hex(o->sha1), refname);
}
return 0;
