Gemfile-rails-dependencies

version_file = File.expand_path("../.rails-version", __FILE__)
case version = ENV['RAILS_VERSION'] || (File.exist?(version_file) && File.read(version_file).chomp) || ''
when /master/
  gem "rails", :git => "https://github.com/rails/rails.git"
  gem "arel", :git => "https://github.com/rails/arel.git"
  gem "journey", :git => "https://github.com/rails/journey.git"
  gem "activerecord-deprecated_finders", :git => "https://github.com/rails/activerecord-deprecated_finders.git"
  gem "rails-observers", :git => "https://github.com/rails/rails-observers"
  gem "web-console", :git => "https://github.com/rails/web-console", :group => :development
  gem 'sass-rails', :git => "https://github.com/rails/sass-rails.git"
  gem 'coffee-rails', :git => "https://github.com/rails/coffee-rails.git"
  gem 'rack', :git => 'https://github.com/rack/rack.git'
  gem 'i18n', :git => 'https://github.com/svenfuchs/i18n.git', :branch => 'master'
  gem 'sprockets', :git => 'https://github.com/rails/sprockets.git', :branch => 'master'
  gem 'sprockets-rails', :git => 'https://github.com/rails/sprockets-rails.git', :branch => 'master'
  if RUBY_VERSION  >= "2.2"
    gem 'puma', :git => 'https://github.com/puma/puma', :branch => 'master'
  end
when /stable$/
  gem_list = %w[rails railties actionmailer actionpack activerecord activesupport]
  gem_list << 'activejob'  if version > '4-1-stable'
  gem_list << 'actionview' if version > '4-0-stable'
  if RUBY_VERSION  >= "2.2"
    gem_list << 'puma' if version > '5-0-stable'
  end

  gem_list.each do |rails_gem|
    gem rails_gem, :git => "https://github.com/rails/rails.git", :branch => version
  end
when nil, false, ""
  if RUBY_VERSION < '1.9.3'
    # Rails 4+ requires 1.9.3+, so on earlier versions default to the last 3.x release.
    gem "rails", "~> 3.2.17"
  elsif RUBY_VERSION < '2.2.0'
    # Rails 5+ requires 2.2+, so on earlier versions default to the last 4.x release.
    gem "rails", "~> 4.2.0"
  else
    gem "rails", "~> 5.0.0"
  end
else
  gem "rails", version

  if version >= '5-1-stable' && RUBY_VERSION  >= "2.2"
    gem "puma"
  end
end

gem "i18n", '< 0.7.0' if RUBY_VERSION < '1.9.3'
gem "test-unit" if RUBY_VERSION >= '2.2.0' && version =~ /3[.-]2[.-]/