予習 rails 4.0

参考

• http://edgeguides.rubyonrails.org/4_0_release_notes.html
• https://speakerdeck.com/spastorino/rails-4-in-30

インストール

% ruby -v
ruby 1.9.3p194 (2012-04-20 revision 35410) [x86_64-darwin12.0.0]
% bundle -v
Bundler version 1.2.3
% git clone git@github.com:rails/rails
% ./rails/railties/bin/rails new rails4app --skip--bundle
% cd rails4app
% vi Gemfile

# Gemfile
source 'https://rubygems.org'

# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
gem 'rails', '4.0.0.beta', github: 'rails/rails'

gem 'sqlite3'

# Gems used only for assets and not required
# in production environments by default.
group :assets do
  gem 'sprockets-rails', '~> 2.0.0.rc1', github: 'rails/sprockets-rails'
  gem 'sass-rails',   '~> 4.0.0.beta', github: 'rails/sass-rails'
  gem 'coffee-rails', '~> 4.0.0.beta', github: 'rails/coffee-rails'

  # See https://github.com/sstephenson/execjs#readme for more supported runtimes
  # gem 'therubyracer', platforms: :ruby

  gem 'uglifier', '>= 1.0.3'
end

gem 'jquery-rails'

# Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
gem 'turbolinks'

# To use ActiveModel has_secure_password
# gem 'bcrypt-ruby', '~> 3.0.0'

# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
# gem 'jbuilder'

# Use unicorn as the app server
# gem 'unicorn'

# Deploy with Capistrano
# gem 'capistrano', group: :development

# To use debugger
# gem 'debugger'

gem "journey", :github => "rails/journey"
gem "activerecord-deprecated_finders", :github => "rails/activerecord-deprecated_finders"

% bundle install --path vendor/bundle
% bundle exec rails --version
Rails 4.0.0.beta