Re: [RFC/PATCH] config: honor file permission bits

[Junio C Hamano <gitster@pobox.com>]

Patrick Steinhardt <ps@pks.im> writes:

> On Fri, Oct 23, 2026 at 07:54:13AM -0700, Junio C Hamano wrote:
>> Patrick Steinhardt <ps@pks.im> writes:
>> 
>> > What I wonder is what makes our config file so special compared to
>> > everything else that uses lockfiles. Or put differently: if we think
>> > it's important to honor permissions bits (which I think is sensible),
>> > shouldn't we do that in a central location like in "lockfile.c" so that
>> > all users of this interface behave the same?
>> 
>> The $HOME/.gitconfig file and its XDG counterparts are the only
>> out-of-tree files that suffer from this issue, and being outside the
>> repository is what makes them special.  Theoretically, /etc/gitconfig
>> on a multi-user system could have the same issue, but the containing
>> directory would typically be read-only for regular users, which makes
>> the issue irrelevant there.
>
> That explanation makes sense to me. Probably something to put into the
> commit message :)

I ended up rewriting the whole thing from scratch to follow the
recommended flow more closely, starting from an observation of an
end-user perceived problem, analysis of the issue, and the solution.
The above naturally became a sidenote for the solution description.

Thanks.