Hi Hans,
With the LuaMetaTeX-based ConTeXt wrapper, it's not generally possible
to run ConTeXt from a symlinked binary in another directory. This shows
up if someone makes symlinks in "/usr/bin" so that they can avoid adding
anything to their $PATH.
If you make run a symlink to the LuaMetaTeX-based ConTeXt wrapper, it
looks for texmfcnf.lua relative to the symlink location, not the symlink
target. With the old LuaTeX/kpse-based wrapper, the script would look
for texmfcnf.lua relative to the symlink target.
I know that my description above is terrible, so here's a demo:
$ bin=$(mtxrun --expand-var TEXMFOS | head -1)/*
$ cd $(mktemp -d)
$ ln -s $bin/luatex $bin/luametatex $bin/context $bin/context.lua
$bin/mtxrun $bin/mtxrun.lua .
$ ./context --nofile
$ ./context --luatex --nofile
Running the above commands used to work with the old LuaTeX/kpse-based
wrapper, but it doesn't work any more. I was able to ""fix"" this by
adding the lines
if os.selfpath then
environment.ownbin = lfs.symlinktarget(os.selfpath .. io.fileseparator
.. os.selfname)
environment.ownpath = environment.ownbin:match("^.*" .. io.fileseparator)
else
environment.ownpath = kpse.new("luatex"):var_value("SELFAUTOLOC")
environment.ownbin = environment.ownpath .. io.fileseparator .. (arg[-2]
or arg[-1] or arg[0] or "luatex"):match("[^" .. io.fileseparator .. "]*$")
end
to mtxrun.lua, right below the line
package.loaded["data-ini"] = package.loaded["data-ini"] or true
but this is obviously not a very good fix.
There are some threads with more details at:
https://tug.org/pipermail/tex-live/2023-March/049028.html
https://gitlab.com/islandoftex/images/texlive/-/issues/30
Those links only discuss TL, but I get the same issue if I make a symlink
to the standalone ConTeXt files.
Thanks,
-- Max
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