GNU bug report logs - #51252
[core-updates-frozen] lualatex needs additional setup

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Message #25 received at 51252-done <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: Thiago Jung Bauermann <bauermann <at> kolabnow.com>
Cc: Ricardo Wurmus <rekado <at> elephly.net>,
 John Kehayias <john.kehayias <at> protonmail.com>, 51252-done <at> debbugs.gnu.org,
 Robin Templeton <robin <at> terpri.org>, 52268-done <at> debbugs.gnu.org
Subject: Re: bug#52268: [PATCH core-updates-frozen] gnu: Add
 texlive-latex-luatex.
Date: Sun, 05 Dec 2021 16:40:33 +0100

Hello,

Thiago Jung Bauermann <bauermann <at> kolabnow.com> skribis:

> When TeX Live was updated to version 2021 the ‘lualatex’ format started
> being generated with the LuaHBTeX engine, but the ‘lualatex’ command still
> uses the LuaTeX engine. This causes the command to fail:
>
>   user <at> popigai:~$ lualatex hello.tex
>   This is LuaTeX, Version 1.13.0 (TeX Live 2021/GNU Guix)
>   restricted system commands enabled.
>
>   ---! lualatex.fmt was written by luahbtex
>   (Fatal format file error; I'm stymied)user <at> popigai:~$
>
> The correct way to fix this problem would be either to change texlive-bin
> to make ‘lualatex’ use the LuaHBTeX engine, or to change texlive-latex-base
> to generate ‘lualatex.fmt’ with LuaTeX. Both options would rebuild large
> parts of the world.
>
> Ricardo Wurmus suggested creating a new package to provide ‘lualatex.fmt’
> for LuaTeX as a workaround. This is what this package does.
>
> Fixes https://issues.guix.gnu.org/51252.
>
> * gnu/packages/tex.scm (texlive-latex-luatex): New variable.

Applied, thanks!

I don’t fully understand the issue but it looks like a reasonable and
non-intrusive fix.

Ludo’.

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