[Dev-luatex] require doesn't get recorded

[Linas Stonys]

Hi All,
I'm using dirty trick to write documents used .otf files to .fls by adding code to ...\tex\latex\fontspec\fontspec.cfg

\bgroup
\catcode`\ 10 %

\gdef\opentype at write@to at fls{%
     \directlua{
         local fontdata = fonts.hashes.identifiers
         local done = {}
         for id, fdata in pairs(fontdata) do
             if fdata.filename and not done[fdata.filename] then
               tex.sprint("\string\\IfFileExists{".. fdata.filename .."}{}{}")
               done[fdata.filename] = ''
             end
         end
         }}

\egroup
\AtEndDocument{\opentype at write@to at fls}

Then example:
\documentclass{article}
\usepackage{fontspec}

\begin{document}
\fontfamily{ptm}\selectfont a
\end{document}

Maybe this could be solved directly in luatex engine that all the input would be written to .fls?

Thanks in advance!
Linas


On 11/7/2019 4:21 PM, Marcel Fabian Krüger wrote:
> Hi,
> 
> based on an observation by Karl Berry on the TeX Live list I discovered
> an inconsistency in LuaTeX's handling of `-recorder`: While LuaTeX does
> record files loaded through `loadfile`, files loaded through `require`
> are ignored:
> 
> For example if the current directory contains two empty files l1.lua and
> l2.lua, then the document
> 
> \directlua{
>    loadfile'l1.lua'()
>    require'l2'
> }
> \bye
> 
> compiled with `luatex -recorder recorded` IMO should write to
> recorded.fls the entries
> 
> PWD /some/weird/pwd
> INPUT /usr/local/texlive/2019/texmf-var/web2c/luatex/luatex.fmt
> INPUT ./recorded.tex
> OUTPUT recorded.log
> INPUT l1.lua
> INPUT ./l2.lua
> 
> but it does write
> 
> PWD /some/weird/pwd
> INPUT /usr/local/texlive/2019/texmf-var/web2c/luatex/luatex.fmt
> INPUT ./recorded.tex
> OUTPUT recorded.log
> INPUT l1.lua
> 
> I do not think that this is intentional, so I added a patch to add
> recorder entries iff the file is loaded successfully (similar to
> `loadfile`)
> 
> -- Marcel
> 
> 
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