X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=builtin-show-ref.c;h=a323633e296cef1797ab1d218cea83c891bc3b8d;hb=94c22a5e7b4247d7d6453272c4425d81071d2689;hp=65051d14fde44c14d12099df656ac423bc1c347e;hpb=9656153b87d47b34986f2d77eef9199c24cbf9f6;p=git.git

diff --git a/builtin-show-ref.c b/builtin-show-ref.c
index 65051d14f..a323633e2 100644
--- a/builtin-show-ref.c
+++ b/builtin-show-ref.c
@@ -86,6 +86,9 @@ match:
 			    sha1_to_hex(sha1));
 		if (obj->type == OBJ_TAG) {
 			obj = deref_tag(obj, refname, 0);
+			if (!obj)
+				die("git-show-ref: bad tag at ref %s (%s)", refname,
+				    sha1_to_hex(sha1));
 			hex = find_unique_abbrev(obj->sha1, abbrev);
 			printf("%s %s^{}\n", hex, refname);
 		}