Hack to Get Rails 4.1.0.rc1 through 4.2.0 to work with state_machine

state_machine.rb

# Rails 4.1.0.rc1 through 4.2.0 and StateMachine don't play nice
# https://github.com/pluginaweek/state_machine/issues/295
# https://github.com/pluginaweek/state_machine/issues/314

require 'state_machine/version'

unless StateMachine::VERSION == '1.2.0'
  # If you see this message, please test removing this file
  # If it's still required, please bump up the version above
  Rails.logger.warn "Please remove me, StateMachine version has changed."
end

module StateMachine::Integrations
  module ActiveModel
    public :around_validation
  end
  module ActiveRecord
    public :around_save

    def define_state_initializer
      define_helper :instance, <<-end_eval, __FILE__, __LINE__ + 1
        def initialize(*)
          super do |*args|
            self.class.state_machines.initialize_states(self)
            yield(*args) if block_given?
          end
        end
      end_eval
    end
  end
end