#! /usr/bin/env texlua

function fixwin(args_unix)
   if os.type == 'windows' then
      local args_win={}  -- new table
      args_win[0]=args_unix[1]
      for i=1, #args_unix do
	 args_win[i]='"'..args_unix[i]..'"'
      end
      return args_win
   else
      return args_unix
   end
end

if string.find(arg[0], '/') then -- UNIX path
  basename = select(1, string.gsub(arg[1], '.*/', ''))
elseif string.find(arg[0], '\\') then -- Windows path
  basename = select(1, string.gsub(arg[1], '.*\\', ''))
  -- we might have \ and / mixed together ...
  basename = select(1, string.gsub(basename, '.*/', ''))
else -- no path
  basename = arg[1]
end

kpse.set_program_name(basename..".bat", basename)
TLROOT=kpse.var_value('SELFAUTOPARENT')
BINDIR=kpse.var_value('SELFAUTOLOC')

os.setenv('PATH', TLROOT..'/tlpkg/tlgs/bin;'..os.getenv('PATH'))
os.setenv('GS_LIB', TLROOT..'/tlpkg/tlgs/lib;'..TLROOT..'/tlpkg/tlgs/fonts')
os.setenv('TLROOT', TLROOT)

script=kpse.find_file(basename..'.rb', 'texmfscripts')
command={'ruby.exe', script}

for i=2, #arg do
    command[#command+1]=arg[i]
end

command=fixwin(command)

--[[ Prepend an additional hyphen to activate this code.
for i=0, #command do
   print (command[i])
end
os.exit(ret)
--]]

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