GNU bug report logs - #41344
Font broken in GUI application with guix pack

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Marius Bakke <mbakke <at> fastmail.com>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#41344: closed (Font broken in GUI application with guix pack)
Date: Wed, 20 May 2020 22:02:04 +0000

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Your message dated Thu, 21 May 2020 00:00:39 +0200
with message-id <87eere9shk.fsf <at> devup.no>
and subject line Re: [PATCH] gnu: fontconfig: Add replacement with font-dejavu instead of gs-fonts.
has caused the debbugs.gnu.org bug report #41344,
regarding Font broken in GUI application with guix pack
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


-- 
41344: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=41344
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From: Alexandros Theodotou <alex <at> zrythm.org>
To: bug-guix <at> gnu.org
Subject: Font broken in GUI application with guix pack
Date: Sun, 17 May 2020 05:05:39 +0100

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Hi,

This is the command I ran to generate a pack:
guix pack -RR -S /opt/zrythm/bin=bin -L . zrythm

I then tried moving this pack to a VM running another distro
(archlinux) and all letters are shown as boxes. I have asked other
people to test it on other distros, including debian, and they reported
the same issue.

I am not exactly sure what is missing. Attaching a screenshot of what
it looks like.

I tried adding a propagated input for font-cantarell, font-gnu-freefont 
and font-dejavu just to see if it would work, without success.

Thanks,
Alex

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From: Marius Bakke <mbakke <at> fastmail.com>
To: Leo Famulari <leo <at> famulari.name>
Cc: guix-devel <at> gnu.org
Subject: Re: [PATCH] gnu: fontconfig: Add replacement with font-dejavu instead
 of gs-fonts.
Date: Thu, 21 May 2020 00:00:39 +0200

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Leo Famulari <leo <at> famulari.name> writes:

> On Sun, May 17, 2020 at 04:50:12PM +0200, Marius Bakke wrote:
>> This is a hack to make (some) fonts working when users don't have fonts
>> specified in their system configuration, and (crucially) places where
>> the fontconfig cache may be unavailable such as 'guix pack's.
>> 
>> I'm not sure whether font-dejavu is a good replacement here.  Another
>> approach could be to convert gs-fonts to TrueType or OpenType format.
>> 
>> Thoughts?  I don't know much about fonts and would appreciate feedback.
>
> I think you should push right away, assuming that it helps and doesn't
> rebuild the world.

I pushed the patch as ab9de8cfb0525ef43668712ac898707f97f9a620.

I verified that it fixes the immediate problem with fonts in the Guix
manual (#41282) as well as 'guix pack' (#41344).  It should also provide
a decent fallback for cases where the user did not explicitly install
any fonts such as in #41241.

Hoping for angry reports now about why such a poor replacement font was
chosen.  ;-)

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