anchor.diff:  :: LuaRocks <= 2.2.2 used a versioned directory
   :: HEAD and newer versions do not, so act accordingly.
   if defined LR_ROOT goto :skiplrver
  -	
  +
   if "%LUAROCKS_VER%" EQU "HEAD" (
   	set LR_ROOT=%LUAROCKS_INSTALL%
   	goto :skiplrver
  
positive.code: 	) else (
  		if not exist downloads\luarocks-%LUAROCKS_VER%-win32.zip (
  			echo Downloading LuaRocks...
  			curl --silent --fail --max-time 120 --connect-timeout 30 --output downloads\luarocks-%LUAROCKS_VER%-win32.zip %LUAROCKS_URL%/luarocks-%LUAROCKS_VER%-win32.zip
  			%SEVENZIP% x -aoa -odownloads downloads\luarocks-%LUAROCKS_VER%-win32.zip
  		)
  	)
  
negative.code: :: Now we declare a scope
  Setlocal EnableDelayedExpansion EnableExtensions
  
  if not defined LUAROCKS_URL set LUAROCKS_URL=https://keplerproject.github.io/luarocks/releases
  if not defined LUAROCKS_REPO set LUAROCKS_REPO=https://luarocks.org
  if not defined LUA_URL set LUA_URL=http://www.lua.org/ftp
  if defined NOCOMPAT (
  