Fix random segfaults in pack-objects.

diff --git a/builtin-read-tree.c b/builtin-read-tree.c
index 3f6cae36ce9b730bf6b76f3f1fedd006f356854b..8ba436dbace7ec25ec5768a5c6c84f3202f92159 100644 (file)
--- a/builtin-read-tree.c
+++ b/builtin-read-tree.c
@@ -85,7 +85,7 @@ static void prime_cache_tree(void)
 
 }
 
-static const char read_tree_usage[] = "git-read-tree (<sha> | [[-m [--aggressive] | --reset | --prefix=<prefix>] [-u | -i]] <sha1> [<sha2> [<sha3>]])";
+static const char read_tree_usage[] = "git-read-tree (<sha> | [[-m [--aggressive] | --reset | --prefix=<prefix>] [-u | -i]] [--exclude-per-directory=<gitignore>] <sha1> [<sha2> [<sha3>]])";
 
 static struct lock_file lock_file;