appraise "rails2" do
  gem "rails", "~> 2.3.15"
  gem 'mysql2', "~> 0.2.0"
end

appraise "rails3" do
  gem "rails", "~> 3.0.0"
  gem 'mysql2', "~> 0.2.0"
end

appraise "rails3.2" do
  gem "rails", "~> 3.2.0"
  gem 'mysql2', "~> 0.3.0"
end