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Date:   Fri, 8 Jan 2021 20:07:11 +0100
From:   Torsten =?iso-8859-1?Q?B=F6gershausen?= <tboegi@web.de>
To:     Philippe Blain <levraiphilippeblain@gmail.com>
Cc:     "Randall S. Becker" <rsbecker@nexbridge.com>,
        'Daniel Troger' <random_n0body@icloud.com>,
        git@vger.kernel.org,
        Johannes Schindelin <johannes.schindelin@gmx.de>
Subject: Re: git-bugreport-2021-01-06-1209.txt (git can't deal with special
 characters)
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On Thu, Jan 07, 2021 at 11:21:56AM -0500, Philippe Blain wrote:
> Hi Torsten,

[snip]

>
> change to:
> FILENAME=3Dfile
>
> >
> > rm -rf $DIR &&
> >      mkdir $DIR &&
> >      cd $DIR &&
> >      $GIT init &&
> >      mkdir $DIRNAME &&
>
> add:
> cd $DIRNAME &&
>
> >      echo "Initial" >$FILENAME &&
[]

That did the trick, the test case is now reproducible here.

I am looking into the stuff, somewhere inside the pathspec machinery,
determinating a "prefix" and using xgetcwd we need a precompose_string.
But only if core.precomposeunicode is true.

And I am still digging.
It seems as if there could be a patch in a couple of days, but no promises=
.