source "https://rubygems.org" gemspec DEFAULT_RAILS_VERSION = '7.1.3' ENV['RAILS_VERSION'] ||= DEFAULT_RAILS_VERSION if ENV['RAILS_VERSION'] == '4.2.10' gem 'mysql2', '~> 0.3.18' else gem "mysql2" end if ENV['RAILS_VERSION'] == 'master' gem "activerecord", git: "https://github.com/rails/rails" else gem "rails", "~> #{ENV['RAILS_VERSION'] || DEFAULT_RAILS_VERSION}" gem "activerecord", "~> #{ENV['RAILS_VERSION'] || DEFAULT_RAILS_VERSION}" end