From 301e42edc3fa277059be97b3be5b97d86ddc9d9f Mon Sep 17 00:00:00 2001
From: Alex Riesen <raa.lkml@gmail.com>
Date: Thu, 28 Feb 2008 17:30:47 +0100
Subject: [PATCH] Fix builtin checkout crashing when given an invalid path

Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 builtin-checkout.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/builtin-checkout.c b/builtin-checkout.c
index 4a4bb8b77..9579ff4ab 100644
--- a/builtin-checkout.c
+++ b/builtin-checkout.c
@@ -545,6 +545,10 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
 
 	if (argc) {
 		const char **pathspec = get_pathspec(prefix, argv);
+
+		if (!pathspec)
+			die("invalid path specification");
+
 		/* Checkout paths */
 		if (opts.new_branch || opts.force || opts.merge) {
 			if (argc == 1) {
-- 
2.30.2