anchor.diff:      goto :eof
       )
   
  -if "%targetVS%"=="" set targetVS=12.0
  +if "%targetVS%"=="" set targetVS=14.0
   if "%targetHive%"=="" set targetHive=Roslyn
   
   set PreviewVersion=0.6.40308.1
   set unconfigure=false
  -set verification=-Vr 
  +set verification=-Vr
   set label=Disable
   
   echo Prepare for Roslyn Open Source development
  
positive.code: 
  if "%unconfigure%" == "true" (
      rem Reset the RoslynDev hive from the main hive, 
      "%VSSDK120Install%\VisualStudioIntegration\Tools\Bin\CreateExpInstance.exe" /Clean /VSInstance=%targetVS% /RootSuffix=%TargetHive%  2> nul
      reg delete HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\%targetVS%%TargetHive% /F > nul 2>&1
      reg delete HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\%targetVS%%TargetHive%_Config /F > nul 2>&1
      )
  
negative.code:     )
  
  if not "%unconfigure%" == "true" (
      "%VSSDK140Install%\VisualStudioIntegration\Tools\Bin\CreateExpInstance.exe" /Reset /VSInstance=%targetVS% /RootSuffix=%TargetHive%  2> nul
  
  	msbuild %~dp0\prepare.msbuild
      )
  
  call :DisableVerificationFor "Microsoft.CodeAnalysis.CSharp.Desktop,31BF3856AD364E35"
  call :DisableVerificationFor "Microsoft.CodeAnalysis.Desktop,31BF3856AD364E35"
  call :DisableVerificationFor "Microsoft.CodeAnalysis.VisualBasic.Desktop,31BF3856AD364E35"
  call :DisableVerificationFor "Microsoft.CodeAnalysis,31BF3856AD364E35"
  call :DisableVerificationFor "Microsoft.CodeAnalysis.CSharp,31BF3856AD364E35"
  call :DisableVerificationFor "Microsoft.CodeAnalysis.VisualBasic,31BF3856AD364E35"
  