xcode_plugins_update.rb

require 'plist'
# xcode 6.2 A16FF353-8441-459E-A50C-B071F53F51B7
plugins_path = File.expand_path('~') + "/Library/Application\ Support/Developer/Shared/Xcode/Plug-ins/"

Dir.foreach(plugins_path) do |fname|
	if fname != '.' && fname != '..' && fname != '.DS_Store'
		plist_path = plugins_path + fname.to_s + '/Contents/Info.plist'
  		if File.exist?(plist_path)
  			application_plist = Plist::parse_xml(plist_path)
  			current_uuids = application_plist['DVTPlugInCompatibilityUUIDs']
  			# puts current_uuids
  			if !current_uuids.include?("A16FF353-8441-459E-A50C-B071F53F51B7")
  				current_uuids << "A16FF353-8441-459E-A50C-B071F53F51B7"
  				application_plist['DVTPlugInCompatibilityUUIDs'] = current_uuids
  				File.open(plist_path, 'w') { |file| file.write(application_plist.to_plist) }
  				print "Updated " + fname
  			end
  		end
	end
end