anchor.diff:  @echo off
  -REM Update source for glslang, LunarGLASS, spirv-tools
  +REM Update source for glslang, spirv-tools
   
   REM Determine the appropriate CMake strings for the current version of Visual Studio
   echo Determining VS version
  
positive.code: REM Cleanup the file we used to collect the VS version output since it's no longer needed.
  del /Q /F vsversion.tmp
  
  REM Determine if SVN exists, this is a requirement for LunarGLASS
  set SVN_EXE_FOUND=0
  for %%X in (svn.exe) do (set FOUND=%%~$PATH:X)
  if defined FOUND (
   set SVN_EXE_FOUND=1
  )
  
  setlocal EnableDelayedExpansion
  set errorCode=0
  set BUILD_DIR=%~dp0
  set BASE_DIR=%BUILD_DIR%..
  set GLSLANG_DIR=%BASE_DIR%\glslang
  set LUNARGLASS_DIR=%BASE_DIR%\LunarGLASS
  set SPIRV_TOOLS_DIR=%BASE_DIR%\spirv-tools
  
  REM // ======== Parameter parsing ======== //
  
negative.code:    git checkout %GLSLANG_REVISION%
  goto:eof
  
  :create_spirv-tools
     echo.
     echo Creating local spirv-tools repository %SPIRV_TOOLS_DIR%)
  