[PATCH 0/5] nd/fix-untracked-cache-invalidation updates

This is a small update where the last two patches on 'pu' are merged in one. The final content is exactly the same as on 'pu'.

Nguyễn Thái Ngọc Duy (3):
  dir.c: avoid stat() in valid_cached_dir()
  dir.c: fix missing dir invalidation in untracked code
  dir.c: stop ignoring opendir() error in open_cached_dir()

Ævar Arnfjörð Bjarmason (2):
  status: add a failing test showing a core.untrackedCache bug
  update-index doc: note a fixed bug in the untracked cache

 Documentation/git-update-index.txt | 16 +++++++
 dir.c                              | 31 +++++++++-----
 t/t7063-status-untracked-cache.sh  | 87 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 124 insertions(+), 10 deletions(-)