[PATCH] git-rev-list: avoid crash on broken repository

From: Sergey Vlasov <vsu@altlinux.ru>
Date: Aug 19, 2005, 18:28 UTC
Message-ID: <20050819182835.GA12057@procyon.home>

When following tags, check for parse_object() success and error out properly instead of segfaulting.

Signed-off-by: Sergey Vlasov <vsu@altlinux.ru>
---

 rev-list.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

f4ec41063d2f43b06b7c8e511108b4c9bf9e6ebe

diff --git a/rev-list.c b/rev-list.c
--- a/rev-list.c
+++ b/rev-list.c
@@ -418,6 +418,8 @@ static struct commit *get_commit_referen
 		if (tag_objects && !(object->flags & UNINTERESTING))
 			add_pending_object(object, tag->tag);
 		object = parse_object(tag->tagged->sha1);
+		if (!object)
+			die("bad object %s", sha1_to_hex(tag->tagged->sha1));
 	}
 
 	/*