Rakefile for spree extensions

Rakefile

desc "Regenerates a rails 3 app for testing"
task :test_app do
  SPREE_PATH = ENV['SPREE_PATH']
  raise "SPREE_PATH should be specified" unless SPREE_PATH
  require File.join(SPREE_PATH, 'lib/generators/spree/test_app_generator')
  class FlagPromotionTestAppGenerator < Spree::Generators::TestAppGenerator
    def tweak_gemfile
      append_file 'Gemfile' do
<<-gems
gem 'spree_core', :path => '#{File.join(SPREE_PATH, 'core')}'
gem 'spree_auth', :path => '#{File.join(SPREE_PATH, 'auth')}'
gem 'flag_promotions', :path => '#{File.dirname(__FILE__)}'
gems
      end
    end

    def install_gems
      inside "test_app" do
        run 'rake spree_core:install'
        run 'rake spree_auth:install'
      end
    end

    def migrate_db
      run_migrations
    end
  end
  FlagPromotionTestAppGenerator.start
end