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<div dir="auto">Hi,<br />

<br />

I am maintaining a docker image for TeXLive using alpine OS at <a href="https://github.com/xu-cheng/latex-docker" target="_blank">https://github.com/xu-cheng/latex-docker</a>. Recently, I found that the installer fails to run certain post install scripts, which results to broken image (<a href="https://github.com/xu-cheng/latex-action/issues/41" target="_blank">https://github.com/xu-cheng/latex-action/issues/41</a>).<br />

<br />

The relevant log of the installer can be found at <a href="https://github.com/xu-cheng/latex-docker/runs/1338848932?check_suite_focus=true#step:4:4257" target="_blank">https://github.com/xu-cheng/latex-docker/runs/1338848932?check_suite_focus=true#step:4:4257</a> <br />

<br />

It shows:<br /></div>

<pre>running mktexlsr /opt/texlive/texdir/texmf-dist ...

not a tty

tty: ignoring all arguments

writing fmtutil.cnf to /opt/texlive/texdir/texmf-dist/web2c/fmtutil.cnf

writing updmap.cfg to /opt/texlive/texdir/texmf-dist/web2c/updmap.cfg

writing language.dat to /opt/texlive/texdir/texmf-var/tex/generic/config/language.dat

writing language.def to /opt/texlive/texdir/texmf-var/tex/generic/config/language.def

writing language.dat.lua to /opt/texlive/texdir/texmf-var/tex/generic/config/language.dat.lua

running mktexlsr /opt/texlive/texdir/texmf-var /opt/texlive/texdir/texmf-config /opt/texlive/texdir/texmf-dist ...

not a tty

tty: ignoring all arguments

not running updmap-sys (not installed)

re-running mktexlsr /opt/texlive/texdir/texmf-var /opt/texlive/texdir/texmf-config ...

not a tty

tty: ignoring all arguments

not running fmtutil-sys (not installed)

running package-specific postactions

finished with package-specific postactions</pre>

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Noted that certain postinstall tools are not run (i.e., not running updmap-sys (not installed) and not running fmtutil-sys (not installed) in the log).<br />

<br />

After some debug, I found that the issue comes from this recent change: <a href="https://github.com/TeX-Live/installer/commit/ff98be775bf48aa576cbc25aa337dd5626af6550" target="_blank">https://github.com/TeX-Live/installer/commit/ff98be775bf48aa576cbc25aa337dd5626af6550</a><br />

<br />

It causes the install script failing to detect the platform for Linux OS using musl, which results to incorrect binary path in the install script and leads to my issue.<br />

<br />

You can reproduce this issue by running `tlpkg/installer/config.guess` in an alpine docker image.<br />

<br />

$ ./tlpkg/installer/config.guess<br />

x86_64-pc-linux-gnu<br />

<br />

It should report `x86_64-pc-linux-musl`.</div>

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Best Regards,<br />

<br />

Cheng</div>

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