Appraisals
appraise "activesupport-4.0" do
gem "activesupport", "~> 4.0.0"
end
appraise "activesupport-4.1" do
gem "activesupport", "~> 4.1.0"
end
appraise "activesupport-4.2" do
gem "activesupport", "~> 4.2.0"
end
appraise "activesupport-edge" do
gem "activesupport", github: 'rails/rails'
end