X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=rev-tree.c;h=c2909da1722b48be394311d9cc70cf78ec81e411;hb=e11b29c50c985f86f730893c71b0f8bd6f26c33a;hp=bfc8b125794d5c7104ed955eb3021c5958fc11b5;hpb=3c249c950649a37f2871a8b193f01a0640a20aef;p=git.git

diff --git a/rev-tree.c b/rev-tree.c
index bfc8b125..c2909da1 100644
--- a/rev-tree.c
+++ b/rev-tree.c
@@ -51,11 +51,11 @@ void process_commit(unsigned char *sha1)
 	struct commit_list *parents;
 	struct commit *obj = lookup_commit(sha1);
 
-	if (obj->object.parsed)
+	if (obj && obj->object.parsed)
 		return;
+	if (!obj || parse_commit(obj))
+		die("unable to parse commit (%s)", sha1_to_hex(sha1));
 
-	parse_commit(obj);
-	
 	parents = obj->parents;
 	while (parents) {
 		process_commit(parents->item->object.sha1);