appraise 'rails42' do
  gem 'rails',       '~> 4.2.0'
  gem "paper_trail", "~> 4.2.0"
  gem 'activeadmin', '1.0.0.pre4'
end

appraise 'rails50' do
  gem 'rails',       '~> 5.0.0'
  gem "paper_trail", "~> 5.2.2"
  gem 'inherited_resources', github: 'activeadmin/inherited_resources'
  gem 'activeadmin',         github: 'activeadmin/activeadmin'
end