Rails project template

rails_template.rb

# rails new . -d mysql --skip-test-unit
# rails new . --skip-active-record --skip-test-unit
# Edit Gemfile
if yes?('Replace gem source "https://rubygems.org/" with Taobao mirror "https://ruby.taobao.org/"?(y/n)')
  gsub_file 'Gemfile', 'rubygems.org', 'ruby.taobao.org'
end

use_mongodb = yes?('Use MongoDB?(y/n)')

gem 'jquery-turbolinks'
gem 'rails-i18n', github: 'svenfuchs/rails-i18n'
gem "mongoid", "~> 4.0.0" if use_mongodb

gem_group :development do
  gem 'quiet_assets'
  gem 'spring-commands-rspec'
  gem 'capistrano', '~> 3.4.0'
end

gem_group :development, :test do
  gem 'pry-rails'
  gem 'rspec-rails', '~> 3.0'
  gem 'factory_girl_rails'
end


gem_group :test do
  if use_mongodb
    gem 'database_cleaner'
    gem 'mongoid-rspec', '~> 2.1.0'
  else
    gem 'shoulda-matchers', require: false
  end
end

after_bundle do
  # Set time zone
  gsub_file 'config/application.rb', /config\.time_zone\s+=\s+.+/, "config.time_zone = 'Beijing'"
  uncomment_lines 'config/application.rb', /config\.time_zone/
  
  # Set i18n load_path
  gsub_file 'config/application.rb', /config\.i18n\.load_path\s+\+=\s+.+/, "config.i18n.load_path += Dir[Rails.root.join('config', 'locales', '**', '*.{rb,yml}').to_s]"
  uncomment_lines 'config/application.rb', /config\.i18n\.load_path/
  
  # Set default locale
  gsub_file 'config/application.rb', /config\.i18n\.default_locale\s+=\s+.+/, "config.i18n.default_locale = :'zh-CN'"
  uncomment_lines 'config/application.rb', /config\.i18n\.default_locale/
  
  # Spring binstub
  run 'bin/spring binstub --all'
  
  # Install Rspec
  generate "rspec:install"
  uncomment_lines 'spec/rails_helper.rb', /Dir\[Rails\.root\.join\('spec\/support\/\*\*\/\*\.rb'\)\]/

  gsub_file 'spec/spec_helper.rb', '=begin', ''
  gsub_file 'spec/spec_helper.rb', /\s+=end/, ''

  # Config FactoryGirl
  empty_directory 'spec/support'
  create_file 'spec/support/factory_girl.rb' do
    "RSpec.configure do |config|\n" +
    "  config.include FactoryGirl::Syntax::Methods\n" +
    "end"
  end
  
  if use_mongodb
    # Install and config Mongoid
    generate "mongoid:config"

    [
      /require\s+['"]rails['"]/, 
      /require\s+['"]active_model\/railtie['"]/,
    ].each do |line|
      comment_lines 'config/application.rb', line
    end
    
    %w(development production test).each do |enviroment|
      comment_lines "config/environments/#{enviroment}.rb", /config\.active_record/
    end
    
    # Config DatebaseCleaner
    create_file 'spec/support/database_cleaner.rb' do
      "RSpec.configure do |config|\n" +
      "  config.before(:suite) do\n" +
      "    DatabaseCleaner.strategy = :truncation\n" +
      "  end\n" +
      "\n" +
      "  config.around(:each) do |example|\n" +
      "    DatabaseCleaner.cleaning do\n"+
      "      example.run\n"+
      "    end\n" +
      "  end\n" +
      "end"
    end

    create_file 'spec/support/mongoid.rb' do
      "RSpec.configure do |config|\n" +
      "  config.include Mongoid::Matchers, type: :model\n" +
      "end"
    end
  else
    insert_into_file 'spec/rails_helper.rb', after: /Add additional requires below this line. Rails is not loaded until this point!\s+/ do
      "require 'shoulda/matchers'\n"
    end
  end
  
  # Config Capistrano
  run "cap install" 
  
  # First commit after bundle
  git :init
  git add: "."
  git commit: %Q{ -m 'Initial commit' }
end