# File lib/compass/commands/installer_command.rb, line 15
      def installer
        @installer ||= case options[:project_type]
        when :stand_alone
          StandAloneInstaller.new *installer_args
        when :rails
          RailsInstaller.new *installer_args
        else
          raise "Unknown project type: #{options[:project_type].inspect}"
        end
      end