Appraisals
appraise 'activerecord_4_2' do
gem 'activerecord', '~> 4.2.0'
end
appraise 'activerecord_5_0' do
gem 'activerecord', '~> 5.0.0'
end
appraise 'activerecord_5_1' do
gem 'activerecord', '~> 5.1.0'
end
appraise 'activerecord_edge' do
gem 'activerecord', github: 'rails/rails', branch: 'master'
gem 'arel', github: 'rails/arel', branch: 'master'
end