make git barf when an alias changes environment variables

diff --git a/pack-redundant.c b/pack-redundant.c
index 06173206f09a39b2d9d572d7842f66674264964d..6bc3bdf3f4c33f369c63acf9284ce9af18286184 100644 (file)
--- a/pack-redundant.c
+++ b/pack-redundant.c
@@ -550,7 +550,7 @@ static struct pack_list * add_pack(struct packed_git *p)
        l.pack = p;
        llist_init(&l.all_objects);
 
-       if (!p->index_data && open_pack_index(p))
+       if (open_pack_index(p))
                return NULL;
 
        base = p->index_data;