[luatex] Help with kpse_init=false needed

[Patrick Gundlach]

Hi all,

I am playing with luatex and I don't get texconfig.kpse_init=false to
work. The idea is to write my own file searching mechanism.

What I have tried (with plain tex format as the base):

$ luatex sample.tex
works ok

$ luatex --lua=ini.lua sample.tex
gives me:
------
~/tmp/example$ luatex --lua ini.lua sample.tex
This is LuaTeX, Version beta-0.41.0-2009062220 (Web2C 2009)

hello from find_format_file
/Users/patrick/tmp/example/luatex.fmt
hello from find_read_file, id_number is 0
../../../source/texk/kpathsea/variable.c:35: failed assertion `kpse->program_name'
/Users/patrick/tmp/example/sample.texAbort trap
------
when commenting out the  texconfig.kpse_init=false, 
$ luatex --lua=ini.lua sample.tex
works ok.


Can anybody tell me what I am doing wrong?

Patrick

-------------------------------------------------------


sample.tex: 
------
hello world
\bye
------

ini.lua:
------
texconfig.kpse_init=false
texconfig.formatname="luatex"
texconfig.jobname="sample"

basedir="/Users/patrick/tmp/example/"

callback.register('find_read_file',
  function(id_number,asked_name)
    texio.write_nl("hello from find_read_file, id_number is " .. tostring(id_number) )
    local file = basedir .. asked_name
    texio.write_nl(file)
    return file
  end
)

callback.register('find_write_file',
  function(id_number,asked_name)
    texio.write_nl("hello from find_write_file, id_number is " .. tostring(id_number) )
    local file = basedir .. asked_name
    texio.write_nl(file)
    return file
  end
)


callback.register('find_output_file',
  function(asked_name)
    texio.write_nl("hello from find_output_file")
    local file = basedir .. asked_name
    texio.write_nl(file)
    return file
  end
)

callback.register('find_format_file',
  function(asked_name)
    texio.write_nl("hello from find_format_file")
    local file = basedir .. "luatex.fmt"
    texio.write_nl(file)
    return file
  end
)

-- all other find_..._file callbacks are omitted here in the mail
------