X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=builtin-show-ref.c;h=9463ff0e69b15fc0e544259e64960bc942a98368;hb=baf5597ae43398e485f63f8e9216d34b5cd0a0d6;hp=ae0edddac1ad63b849dc341c8dd6519181c1e18e;hpb=2470653196fa8461ff5895c521519e947482eae1;p=git.git

diff --git a/builtin-show-ref.c b/builtin-show-ref.c
index ae0edddac..9463ff0e6 100644
--- a/builtin-show-ref.c
+++ b/builtin-show-ref.c
@@ -221,9 +221,11 @@ int cmd_show_ref(int argc, const char **argv, const char *prefix)
 	}
 
 	if (verify) {
-		unsigned char sha1[20];
-
+		if (!pattern)
+			die("--verify requires a reference");
 		while (*pattern) {
+			unsigned char sha1[20];
+
 			if (!prefixcmp(*pattern, "refs/") &&
 			    resolve_ref(*pattern, sha1, 1, NULL)) {
 				if (!quiet)