class Devise::Generators::InstallGenerator

def copy_initializer
  unless options[:orm]
    raise MissingORMError, <<-ERROR.strip_heredoc
    An ORM must be set to install Devise in your application.
    Be sure to have an ORM like Active Record or Mongoid loaded in your
    app or configure your own at `config/application.rb`.
      config.generators do |g|
        g.orm :your_orm_gem
      end
    ERROR
  end
  template "devise.rb", "config/initializers/devise.rb"
end

def copy_locale
  copy_file "../../../config/locales/en.yml", "config/locales/devise.en.yml"
end

def show_readme
  readme "README" if behavior == :invoke
end