#!/usr/bin/env texlua
--*-Lua-*-
-- $Id: texlua-perl-runner 6485 2008-02-01 20:15:06Z reinhardk $

-- Copyright (C) 2007 2008 Reinhard Kotucha, Norbert Preining
-- You may freely use, modify and/or distribute this file.

-- Wrapper for Perl scripts.
-- Support for -sys variants


if string.find(arg[0], "/") then -- UNIX path
   filename=select(1, string.gsub(arg[0], ".*/", ""))
elseif string.find(arg[0], "\\") then -- Windows path
   filename=select(1, string.gsub(arg[0], ".*\\", ""))
else -- no path
   filename=arg[0]
end

basename=select(1, string.gsub(filename, "\.texlua$", ""))

-- basename="generate-language"

kpse.set_program_name(filename)

TEXDIR=kpse.var_value("SELFAUTOPARENT")

-- if we are on win32 we have to use the shipped perl
perlbin="perl"
if (os.type == "windows") then
  os.setenv("PERL5LIB", TEXDIR.."/tlpkg/tlperl/lib")
  perlbin=TEXDIR.."/tlpkg/tlperl/bin/perl.exe"
end

script=kpse.find_file(basename..".pl", "texmfscripts")

if (not(script)) then
  print ("Cannot find "..basename..".pl".." using kpse, exiting!")
  os.exit(1)
end

if (os.type == "windows") then
  command={'"'..perlbin..'"', '"'..script..'"'}
else
  command={ perlbin, script }
end
command[0] = perlbin

for i=1, #arg do
    command[#command+1]=arg[i]
end

ret=os.spawn(command)
os.exit(ret)