Subject: Re: Bug: Changing folder case with `git mv` crashes on case-insensitive file system

From: Junio C Hamano <[email-masked]>
Date: Wed, 05 May 2021 09:23:05 +0900

Torsten Bögershausen <[email-masked]> writes:

> To my undestanding we try to rename
> foo/ into FOO/.
> But because FOO/ already "exists" as directory,
> Git tries to move foo/ into FOO/foo, which fails.
>
> And no, the problem is probably not restricted to MacOs,
> Windows and all case-insenstive file systems should show
> the same, but I haven't tested yet, so it's more a suspicion.
>
> The following diff allows to move foo/ into FOO/
> If someone wants to make a patch out if, that would be good.

Is strcasecmp() sufficient for macOS whose filesystem has not just
case insensitivity but UTF-8 normalization issues?