test-*-cache-tree: setup git dir
These test helper programs access the index, but do not ever
setup_git_directory(), meaning we just blindly looked in
".git/index". This happened to work for the purposes of our
tests (which do not run from subdirectories, nor in
non-repos), but it's a bad habit.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/t/helper/test-scrap-cache-tree.c b/t/helper/test-scrap-cache-tree.c
index 5b2fd09..27fe040 100644
--- a/t/helper/test-scrap-cache-tree.c
+++ b/t/helper/test-scrap-cache-tree.c
@@ -7,6 +7,7 @@ static struct lock_file index_lock;
int cmd_main(int ac, const char **av)
{
+ setup_git_directory();
hold_locked_index(&index_lock, 1);
if (read_cache() < 0)
die("unable to read index file");
