dir.c: don't flag the index as dirty for changes to the untracked cache

diff --git a/dir.c b/dir.c
index 7c4b45e30e0ac87527ff0ef3fd8c90670a1e2064..da93374f0c7b93a7c602203cb0cb58f5ffde24a1 100644 (file)
--- a/dir.c
+++ b/dir.c
@@ -2297,7 +2297,8 @@ int read_directory(struct dir_struct *dir, struct index_state *istate,
                                 dir->untracked->gitignore_invalidated,
                                 dir->untracked->dir_invalidated,
                                 dir->untracked->dir_opened);
-               if (dir->untracked == istate->untracked &&
+               if (getenv("GIT_TEST_UNTRACKED_CACHE") &&
+                       dir->untracked == istate->untracked &&
                    (dir->untracked->dir_opened ||
                     dir->untracked->gitignore_invalidated ||
                     dir->untracked->dir_invalidated))