Gemfile

source 'https://rubygems.org'

gem 'rake'

gem 'motion-kit'

Gemfile.lock

GEM
  remote: https://rubygems.org/
  specs:
    dbt (1.1.4)
    motion-kit (0.10.0)
      dbt
    rake (10.3.1)

PLATFORMS
  ruby

DEPENDENCIES
  motion-kit
  rake

gistify608620.txt

% bundle install                                                                                                                                                                                                                                                                                                         ✹ ✭
Using rake 10.3.1
Using dbt 1.1.4
Using motion-kit 0.10.0
Using bundler 1.6.2
Your bundle is complete!
Use `bundle show [gemname]` to see where a bundled gem is installed.
% rake                                                                                                                                                                                                                                                                                                                   ✹ ✭
     Build ./build/iPhoneSimulator-7.1-Development
    Create ./build/iPhoneSimulator-7.1-Development/MotionKitExample.app/Info.plist
  Simulate ./build/iPhoneSimulator-7.1-Development/MotionKitExample.app
2014-05-22 20:38:31.912 MotionKitExample[31068:70b] uninitialized constant MotionKit (NameError)
2014-05-22 20:38:31.926 MotionKitExample[31068:70b] *** Terminating app due to uncaught exception 'NameError', reason: 'uninitialized constant MotionKit (NameError)
'

Rakefile

# -*- coding: utf-8 -*-
$:.unshift("/Library/RubyMotion/lib")
require 'motion/project/template/ios'

begin
  require 'bundler'
  Bundler.require
rescue LoadError
end

Motion::Project::App.setup do |app|
  app.name = 'MotionKitExample'
end

It didn't compile any files.