Re: Pretest: format generation fails

Hello Karl,


Thank you for your answer, this fixed my problem! I do indeed have a non-full collection of packages installed, and hence site-specific versions of language.{dat,dat.lua,def} in texmf-var. After

    cd /usr/local/texlive

    mkdir -p pretest/texmf-var/tex/generic/config

    cp 2025/texmf-var/tex/generic/config/language.* pretest/texmf-var/tex/generic/config

    mktexlsr pretest

    fmtutil-sys --all

everything worked as it should; I re-compiled a number of documents and didn't encounter any problems.


The only other file from 2025/texmf-var that I copied over was 2025/texmf-var/fonts/conf/texlive-fontconfig.conf. This contains a few paths, which must be manually adapted twice (2025 --> pretest and pretest --> 2026).


Thank you and best regards,

Marc