anchor.diff:  
   echo Installing ninja
   
  -if NOT EXIST c:\ninja\nul mkdir c:\ninja
  +call:make_directory c:\ninja
  +rem if NOT EXIST c:\ninja\nul mkdir c:\ninja
   
   powershell.exe -Command (new-object System.Net.WebClient).DownloadFile('http://github.com/martine/ninja/releases/download/v1.6.0/ninja-win.zip','C:\ninja\ninja-win.zip')
   
  +echo downloaded
   if EXIST c:\ninja\ninja-win.zip call:unzipfile "C:\ninja\" "C:\ninja\ninja-win.zip"
  -)
  -
  -setx PATH "%PATH%;C:\ninja"
  -set PATH=%PATH%;C:\ninja
  -
  +echo exctracking
  +if EXIST c:\ninja\nul (
  +	
  +	call:set_path "C:\ninja"
  +	rem setx PATH "%PATH%;C:\ninja" /m
  +	rem set PATH=%PATH%;C:\ninja
  +)
   goto:eof
   
   
  
positive.code: if NOT EXIST \Python27\nul call:failure -1 "Could not locate python path"
  if "%failure%" neq "0" goto:eof
  
  setx PATH "%PATH%;C:\Python27"
  set PATH=%PATH%;C:\Python27
  
  goto:eof
  
  
negative.code: >>%vbs% echo Set objShell = Nothing
  cscript //nologo %vbs%
  if exist %vbs% del /f /q %vbs%
  del /f /q %2
  goto:eof
  	
  :download
  