anchor.diff:  REM Copy the LuaRocks binaries
   COPY bin\*.* "%BINDIR%" >NUL
   IF ERRORLEVEL 1 GOTO ERROR
  +REM Copy the LuaRocks lua source files
  +IF NOT EXIST "%LUADIR%\luarocks" %MKDIR% "%LUADIR%\luarocks"
  +IF ERRORLEVEL 1 GOTO ERROR
  +XCOPY /S src\luarocks\*.* "%LUADIR%\luarocks" >NUL
  +IF ERRORLEVEL 1 GOTO ERROR
   REM Create start scripts
   COPY src\bin\*.* "%BINDIR%" >NUL
   IF ERRORLEVEL 1 GOTO ERROR
  
positive.code:    ECHO ENDLOCAL>> "%BINDIR%\%%C.bat"
     ECHO Created LuaRocks command: %BINDIR%\%%C.bat
  )
  REM Copy the LuaRocks lua source files
  IF NOT EXIST "%LUADIR%\luarocks" %MKDIR% "%LUADIR%\luarocks"
  IF ERRORLEVEL 1 GOTO ERROR
  XCOPY /S src\luarocks\*.* "%LUADIR%\luarocks" >NUL
  IF ERRORLEVEL 1 GOTO ERROR
  
  ECHO.
  ECHO Configuring LuaRocks...
  
negative.code:    ECHO LuaRocks config file already exists: %CONFIG_FILE%
  )
  
  ECHO.
  ECHO Creating rocktrees...
  IF NOT EXIST "%ROCKS_TREE%" (
  