From: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Date: Thu, 26 Jul 2007 03:14:54 +0000 (-0400)
Subject: git-write-tree should not crash if prefix does not exist
X-Git-Tag: v1.5.3-rc4~60
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=b87841e1645f900fbec0a937a45f98b70b5684ca;p=git.git

git-write-tree should not crash if prefix does not exist

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---

diff --git a/builtin-write-tree.c b/builtin-write-tree.c
index 391de5397..88f34ba7d 100644
--- a/builtin-write-tree.c
+++ b/builtin-write-tree.c
@@ -52,6 +52,8 @@ int write_tree(unsigned char *sha1, int missing_ok, const char *prefix)
 	if (prefix) {
 		struct cache_tree *subtree =
 			cache_tree_find(active_cache_tree, prefix);
+		if (!subtree)
+			die("git-write-tree: prefix %s not found", prefix);
 		hashcpy(sha1, subtree->sha1);
 	}
 	else