From mboxrd@z Thu Jan 1 00:00:00 1970 From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=) Subject: Re: A postinst equivalent in Guix? Date: Wed, 25 Jan 2017 14:15:12 +0100 Message-ID: <87lgtzxov3.fsf@gnu.org> References: <87efzxakmi.fsf@gnu.org> <20170121143923.vdmmljvc3ngksuze@gmail.com> <87wpdojujk.fsf@gnu.org> <20170121163636.jyieflzslmyrtrmw@gmail.com> <87vat6xgow.fsf@gnu.org> <87h94o3ryj.fsf@dustycloud.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:51768) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cWNPy-0007iM-Jc for guix-devel@gnu.org; Wed, 25 Jan 2017 08:15:19 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cWNPv-0004Wg-Be for guix-devel@gnu.org; Wed, 25 Jan 2017 08:15:18 -0500 In-Reply-To: <87h94o3ryj.fsf@dustycloud.org> (Christopher Allan Webber's message of "Tue, 24 Jan 2017 18:26:28 -0600") List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org Sender: "Guix-devel" To: Christopher Allan Webber Cc: guix-devel@gnu.org, Georgi Kirilov Christopher Allan Webber skribis: > Ludovic Court=C3=A8s writes: > >> Georgi Kirilov skribis: >> >>> On Sat, Jan 21, 2017 at 04:34:55PM +0100, Ludovic Court=C3=A8s wrote: >>> >>>>To make things more concrete, we could discuss specific packages you are >>>>interested in and see how we could provide them in Guix{,SD}. >>> >>> The package is the old bsd-games bundle. Some of the games need to >>> write score files under /var/lib/bsdgames/ >>> You can find attached my patch so far. >> >> The patch looks good to me! >> >> As for /var/lib/bsdgames, then it=E2=80=99s up to the admin to set the r= ight >> permissions on it. We can ensure that it exists and has the right >> permissions on GuixSD, but on foreign distros, there=E2=80=99s nothing w= e can >> do. >> >> We could also modify bsd-games such that it falls back to >> ~/.local/bsdgames when /var/lib/bsdgames isn=E2=80=99t accessible (and i= t would >> be worth submitting upstream). ISTR this was discussed for one of the >> games present in Guix. >> >> WDYT? >> >> Ludo=E2=80=99. > > I'm a bit wary about GuixSD packages declaring being able to write to > /var/ anything by default. What would the permissions be? I guess if > it were world-writable to all "users" group users it would be okayish. > > Note that KoboDeluxe includes a patch snarfed from Debian that comments > out the ability to save score files for this same reason, and it was > marked in Debian as a security patch IIRC... Yeah, I think scores in /var are a remnant of the past. Unix just lacks a good way to address this use case. So it sounds best for games to use a score file under $HOME by default. Ludo=E2=80=99.