Gemfile
# frozen_string_literal: true
source 'https://rubygems.org'
# Specify your gem's dependencies in authorizable.gemspec
gemspec
version = ENV['RAILS_VERSION'] || '5.1'
if version == 'master'
git 'https://github.com/rails/rails.git' do
gem 'rails'
end
else
gem_version = "~> #{version}.0"
gem 'rails', gem_version
end