Rails 3.2.6 template w/ Twitter Bootstrap

template.rb

app_name = ARGV[0]

initial_resource_name = ask('What is your initial resource ?')

remove_file 'Gemfile'
create_file 'Gemfile', <<-eos
source 'https://rubygems.org'

gem 'rails', '3.2.6'

group :assets do
  gem 'sass-rails',   '~> 3.2.3'
  gem 'coffee-rails', '~> 3.2.1'
  gem 'uglifier', '>= 1.0.3'
end

gem 'jquery-rails'

group :development, :test do
  gem 'evergreen', require: 'evergreen/rails'
  gem 'rspec-rails'
  gem 'debugger'
end

group :test do
  gem 'factory_girl_rails'
end

gem 'pg'
gem 'twitter-bootstrap-rails', git: 'https://github.com/seyhunak/twitter-bootstrap-rails.git'
gem 'simple_form'

eos

remove_file 'config/database.yml'

# Skipping production db because Heroku
# overrides this anyway
create_file 'config/database.yml', <<-eos
development: &defaults
  adapter: postgresql
  database: #{app_name.downcase}_development 
  min_messages: WARNING

test:
  <<: *defaults
  database: #{app_name.downcase}_test
eos

run 'bundle install'

remove_file 'public/index.html'
remove_file 'app/assets/images/rails.png'
remove_dir 'test'

generate 'rspec:install'
run "echo '--colour' >> .rspec"

rake 'db:create'

generate 'scaffold', initial_resource_name

rake 'db:migrate'
rake 'db:test:prepare'

root_route = "#{initial_resource_name.downcase}s#index"
route "root to: '#{root_route}'"

remove_file 'app/assets/stylesheets/scaffolds.css.scss'

generate 'bootstrap:install'
generate 'bootstrap:layout', '-f', 'application', 'fluid'
generate 'bootstrap:themed', '-f', "#{initial_resource_name.downcase}s" # String#pluralize, Y U NO WORK ?
generate 'simple_form:install', '--bootstrap'

inject_into_file 'spec/spec_helper.rb', :before => "end" do
  <<-eos

    ##
    # Raises error if missing translation key
    ##
    config.before(:all, type: :controller) do
      @_i18n_exception_handler = I18n.exception_handler
      I18n.exception_handler = lambda { |*args| raise args.first.to_s }
    end
    config.after(:all, type: :controller) do
      I18n.exception_handler = @_i18n_exception_handler
    end
    config.before(:all, type: :request) do
      @_i18n_exception_handler = I18n.exception_handler
      I18n.exception_handler = lambda { |*args| raise args.first.to_s }
    end
    config.after(:all, type: :request) do
      I18n.exception_handler = @_i18n_exception_handler
    end

  eos
end

run 'cp config/database.yml config/database.example'
run "echo 'config/database.yml' >> .gitignore"

# commit to git
git :init
git :add => "."

say <<-eos
  ============================================================================
  w00t w00t rails app created with template
eos

Usage rails new <app_name> -m https://gist.github.com/raw/2978633/fb0c8f2892e168876d9de1a2cf1a66646c14a8ec/template.rb