Ludovic Courtès <ludo@gnu.org> writes:

> Hello,
>
> Christopher Baines <mail@cbaines.net> skribis:
>
>> It is possible to generate a profile where this hook will crash, as the
>> texmf.cnf file does not exist to be patched by substitute*. A simple example
>> is the profile just containing texlive-fonts-txfonts.
>>
>> * guix/profiles.scm (texlive-configuration): Check that the texmf.cnf file
>> exists before trying to change it.
>
> LGTM, thanks!

Great, I've pushed this to master now.