anchor.diff:  set LR_SYSTREE=%LR_SYSTREE%&^
   set LUA_PATH=%LUA_PATH%&^
   set LUA_CPATH=%LUA_CPATH%&^
  -set LR_EXTERNAL=%LR_EXTERNAL%&^
  -set LUA=%LUA%
  +set LR_EXTERNAL=%LR_EXTERNAL%
   
   echo ======================================================
   if "%LUA%"=="luajit" (
  
positive.code: ) else (
  	echo Installation of Lua %LUA_VER% and LuaRocks %LUAROCKS_VER% done.
  )
  echo Platform - %platform%
  echo LUA_PATH  - %LUA_PATH%
  echo LUA_CPATH - %LUA_CPATH%
  echo ======================================================
  
  goto :eof
  
negative.code: @echo off
  
  cd %APPVEYOR_BUILD_FOLDER%
  
  :: =========================================================
  :: Set some defaults. Infer some variables.
  ::
  :: These are set globally
  if "%LUA_VER%" NEQ "" (
  	set LUA=lua
  	set LUA_SHORTV=%LUA_VER:~0,3%
  