Setup

Gemfile

source :rubygems

gem 'mysql', "~> 2.8.1"
gem 'rack', '~> 1.1.2'
gem 'systemu'
gem 'hpricot'
gem 'scoped_search'

group :development do
  gem 'faker'
  gem 'wirble'
  gem 'awesome_print'
end

group :test do
  gem 'rake', '0.9.2'
  gem 'rspec', '~> 1.3.2'
  gem 'rspec-rails', '~> 1.3.4'
  gem 'valid_attribute', :git => 'https://github.com/bcardarella/valid_attribute.git'
  gem 'factory_girl', '~> 1.3.3'
  gem 'timecop'
end

Gemfile.lock

GIT
  remote: https://github.com/bcardarella/valid_attribute.git
  revision: 2ad027503cc8aca1464f975943ee5b00e1576be2
  specs:
    valid_attribute (1.2.0)

GEM
  remote: http://rubygems.org/
  specs:
    activemodel (3.1.3)
      activesupport (= 3.1.3)
      builder (~> 3.0.0)
      i18n (~> 0.6)
    activerecord (3.1.3)
      activemodel (= 3.1.3)
      activesupport (= 3.1.3)
      arel (~> 2.2.1)
      tzinfo (~> 0.3.29)
    activesupport (3.1.3)
      multi_json (~> 1.0)
    arel (2.2.1)
    awesome_print (1.0.1)
    builder (3.0.0)
    factory_girl (1.3.3)
    faker (1.0.1)
      i18n (~> 0.4)
    hpricot (0.8.5)
    i18n (0.6.0)
    multi_json (1.0.4)
    mysql (2.8.1)
    rack (1.1.2)
    rake (0.9.2)
    rspec (1.3.2)
    rspec-rails (1.3.4)
      rack (>= 1.0.0)
      rspec (~> 1.3.1)
    scoped_search (2.3.6)
      activerecord (>= 2.1.0)
    systemu (2.4.1)
    timecop (0.3.5)
    tzinfo (0.3.31)
    wirble (0.1.3)

PLATFORMS
  ruby

DEPENDENCIES
  awesome_print
  factory_girl (~> 1.3.3)
  faker
  hpricot
  mysql (~> 2.8.1)
  rack (~> 1.1.2)
  rake (= 0.9.2)
  rspec (~> 1.3.2)
  rspec-rails (~> 1.3.4)
  scoped_search
  systemu
  timecop
  valid_attribute!
  wirble

gistfile1.rb

➜  foo git:(master) ✗ cat vendor/rails/activerecord/lib/active_record/version.rb 
module ActiveRecord
  module VERSION #:nodoc:
    MAJOR = 2
    MINOR = 3
    TINY  = 11

    STRING = [MAJOR, MINOR, TINY].join('.')
  end
end