# Re: \[PATCH v1\] dir.c: don't flag the index as dirty for changes to the untracked cache

- From: Junio C Hamano \<hidden\>
- Date: 2018-02-06 14:51:06 
- List: git
- Page: https://ratatoskr.run/git/2018/02/7752809
- Thread: https://ratatoskr.run/git/2018/02/7752809/t.md

```text
Duy Nguyen [ref] writes:

> Please don't do that, at least not this way. cache_changed mask should
> reflect all dirty parts in .git/index. If UNTR extension is not marked
> updated, it's legit to just skip generating/writing it down (e.g. if I
> kept the old UNTR extension from the last time I read .git/index
> around in memory)

Excellent point.  Thanks for mentioning this (it crossed my mind
when I responded but I forgot to metion in my message).

```