[luatex] Accessing external Lua libraries

[Andreas Matthias]

On Wed, Mar 24, 2021 at 5:53 PM Faheem Mitha <faheem at faheem.info> wrote:
>
> On Wed, 24 Mar 2021, luigi scarso wrote:
>
> > On Wed, Mar 24, 2021 at 12:45 PM Andreas Matthias <andreas.matthias at gmail.com> wrote:
> >       To access external Lua libraries I have the following settings in texmf.cnf:
> >
> >          LUAROCKS_PATH = ~/.luarocks/share/lua/5.3
> >          LUAROCKS_CPATH= ~/.luarocks/lib/lua/5.3
> >
> >          LUAINPUTS = <default_path_here>//;$LUAROCKS_PATH//
> >          CLUAINPUTS = <default_path_here>//;$LUAROCKS_CPATH//
> >
> >       Now I have access to files like:
> >
> >          ~/.luarocks/share/lua/5.3/?.lua
> >          ~/.luarocks/lib/lua/5.3/?.so
> >
> >       But unfortunately I do not get access to `init.lua` files, i.e.:
> >
> >          ~/.luarocks/share/lua/5.3/?/init.lua
> >
> >       What should I do to access these files?
>
> I'm not completely sure I understand what your issue is, but you might
> find https://ctan.org/pkg/luapackageloader of interest if you aren't
> familiar with it already. The strategy it uses is described somewhere in
> the LuaTeX manual I think, though right now I can't remember exactly
> where.

Hmm..., I cannot load any module that uses an 'init.lua' file. I gave
luapackageloader.sty a try but it didn't work either.

What happens if you are loading such a module? There are many
modules in luarocks which are based on init.lua files.

Andras