rails new new_project_name -m template.rb

template.rb

gem 'haml-rails'
gem 'erb2haml'

gem_group :development, :test do
  gem 'hirb'
  gem 'hirb-unicode'
  gem 'pry-rails'
  gem 'pry-doc'
  gem 'pry-byebug'
  gem 'rspec-rails', '~> 3.0'
end

file '.pryrc', <<-CODE
begin
  require 'hirb'
rescue LoadError
  # Missing goodies, bummer
end

if defined? Hirb
  # Slightly dirty hack to fully support in-session Hirb.disable/enable toggling
  Hirb::View.instance_eval do
    def enable_output_method
      @output_method = true
      @old_print = Pry.config.print
      Pry.config.print = proc do |*args|
        Hirb::View.view_or_page_output(args[1]) || @old_print.call(*args)
      end
    end

    def disable_output_method
      Pry.config.print = @old_print
      @output_method = nil
    end
  end

  Hirb.enable
end

CODE

run_bundle

initializer 'secret_token.rb', <<-CODE
require 'securerandom'

def secure_token
  token_file = Rails.root.join('.secret')
  if File.exist?(token_file)
    # Use the existing token.
    File.read(token_file).chomp
  else
    # Generate a new token and store it in token_file.
    token = SecureRandom.hex(64)
    File.write(token_file, token)
    token
  end
end

#{@app_name.capitalize}::Application.config.secret_key_base = secure_token
CODE

run "echo \"Rails.application.config.assets.precompile += ['*.js', '*.css']\" >> config/initializers/assets.rb"
run "echo '.secret' >> .gitignore"

run "rails generate rspec:install"