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-rw-r--r--t/helper/test-dump-cache-tree.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/t/helper/test-dump-cache-tree.c b/t/helper/test-dump-cache-tree.c
index 44f3290258..7af116d49e 100644
--- a/t/helper/test-dump-cache-tree.c
+++ b/t/helper/test-dump-cache-tree.c
@@ -58,6 +58,7 @@ int cmd_main(int ac, const char **av)
{
struct index_state istate;
struct cache_tree *another = cache_tree();
+ setup_git_directory();
if (read_cache() < 0)
die("unable to read index file");
istate = the_index;