t / t4101 / diff.2-3on commit dir.c::test_one_path(): work around directory_exists_in_index_icase() breakage (680be04)
   1--- a/frotz
   2+++ b/frotz
   3@@ -1,2 +1,3 @@
   4 a
   5+c
   6 b
   7\ No newline at end of file