anchor.diff:  
   REM Put Ruby in Path
   REM You can also use %TEMP% but it is cleared on site restart. Tools is persistent.
  -SET PATH=%PATH%;D:\home\site\deployments\tools\r\ruby-2.1.5-x64-mingw32\bin
  +SET PATH=%PATH%;D:\home\site\deployments\tools\r\ruby-2.2.2-x64-mingw32\bin
   
   SET _7ZIP="%PROGRAMFILES%\7-Zip\7z.exe"
   if not exist %_7ZIP% SET _7ZIP=d:\7zip\7za
  
positive.code: 
  REM Tell DevKit where Ruby is
  echo --- > config.yml
  echo - D:/home/site/deployments/tools/r/ruby-2.1.5-x64-mingw32 >> config.yml
  
  REM Setup DevKit
  ruby DevKit\dk.rb install
  
negative.code: pushd D:\home\site\deployments\tools 
  if not exist r md r
  cd r 
  if exist ruby-2.2.2-x64-mingw32 goto end
  
  echo No Ruby, need to get it!
  
  REM Get Ruby and Rails
  curl -o ruby222.zip -L http://dl.bintray.com/oneclick/rubyinstaller/ruby-2.2.2-x64-mingw32.7z?direct
  REM Azure puts 7zip here!
  echo START Unzipping Ruby
  %_7ZIP% x -y ruby222.zip > rubyout
  echo DONE Unzipping Ruby
  
  REM Get DevKit to build Ruby native gems  
  