X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=builtin-show-ref.c;h=a323633e296cef1797ab1d218cea83c891bc3b8d;hb=803d5158123346229d71de53818920efbc88ca0f;hp=9463ff0e69b15fc0e544259e64960bc942a98368;hpb=f8db7884286232274c8e7c7d82a35a2478b097d3;p=git.git

diff --git a/builtin-show-ref.c b/builtin-show-ref.c
index 9463ff0e6..a323633e2 100644
--- a/builtin-show-ref.c
+++ b/builtin-show-ref.c
@@ -1,3 +1,4 @@
+#include "builtin.h"
 #include "cache.h"
 #include "refs.h"
 #include "object.h"
@@ -85,6 +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);
 		}