anchor.diff:  	move /Y C:\Users\vagrant\prl-tools-win.iso C:\Windows\Temp
   	cmd /C "C:\Program Files\7-Zip\7z.exe" x C:\Windows\Temp\prl-tools-win.iso -oC:\Windows\Temp\parallels
   	cmd /C C:\Windows\Temp\parallels\PTAgent.exe /install_silent
  -	rd /S /Q "c:\Windows\Temp\parallels"
  +	rd /S /Q "C:\Windows\Temp\parallels"
   )
   
   :done
  
positive.code: :: to prevent user intervention popups which will undermine a silent installation.
  cmd /c certutil -addstore -f "TrustedPublisher" A:\oracle-cert.cer
  
  move /Y C:\Users\vagrant\VBoxGuestAdditions.iso C:\Windows\Temp
  cmd /c ""C:\Program Files\7-Zip\7z.exe" x C:\Windows\Temp\VBoxGuestAdditions.iso -oC:\Windows\Temp\virtualbox"
  cmd /c C:\Windows\Temp\virtualbox\VBoxWindowsAdditions.exe /S
  goto :done
  
  :parallels
  
negative.code: )
  
  if not exist "C:\Windows\Temp\windows.iso" (
      powershell -Command "(New-Object System.Net.WebClient).DownloadFile('http://softwareupdate.vmware.com/cds/vmw-desktop/ws/12.0.1/3160714/windows/packages/tools-windows.tar', 'C:\Windows\Temp\vmware-tools.tar')" <NUL
      cmd /c ""C:\Program Files\7-Zip\7z.exe" x C:\Windows\Temp\vmware-tools.tar -oC:\Windows\Temp"
      FOR /r "C:\Windows\Temp" %%a in (VMware-tools-windows-*.iso) DO REN "%%~a" "windows.iso"
      rd /S /Q "C:\Program Files (x86)\VMWare"
  