Re: [PATCH 1/1] t0001: fix on case-insensitive filesystems

>>  test_expect_success 'init with separate gitdir' '
>>  	rm -rf newdir &&
>>  	git init --separate-git-dir realgitdir newdir &&
>>  	echo "gitdir: $(pwd)/realgitdir" >expected &&
>> +	downcase_on_case_insensitive_fs expected newdir/.git &&
>
> I wonder if there's maybe a simpler way. If we canonicalize paths when
> writing them to the gitdir file, then writing "$(pwd -P)" on the line
> above should produce the right result.
>
> Now, technically, POSIX doesn't require case canonicalization of the
> path with "pwd -P", but then again, POSIX doesn't permit
> case-insensitive file systems, and we know the behavior on macOS uses
> bash, which does the right thing in this case because it calls
> realpath(3). I've tested that it also does the right thing on Linux when
> the worktree containing the Git checkout is in a path with symlinks.
>
> I don't know how that works on Windows, but if it does, it might be
> simpler.