RubyMotion simulate all OS/device combos

simulators.rb

{
  :iphone_4 => 'iPhone 4s',
  :iphone_5 => 'iPhone 5',
  :iphone_6 => 'iPhone 6',
  :iphone_6_plus => 'iPhone 6 Plus',
  :ipad => 'iPad Retina',
  :ipad_air => 'iPad Air'
}.each do |rake_task, device|
  default_task = "bundle exec rake device_name=\"#{device}\""

  desc "Run simulator on #{device}"
  task(rake_task) { exec default_task }

  namespace(rake_task) do
    %w(8_1 8_2 8_3 8_4 9_0 9_1 9_2).each do |sdk|
      dotpoint_sdk = sdk.tr('_', '.')
      desc "Run simulator on an #{device} running iOS #{dotpoint_sdk}"
      task(sdk) { exec "#{default_task} target=#{dotpoint_sdk}" }
    end
  end
end