# File lib/fpm/package/rpm.rb, line 537
  def to_s(format=nil)
    if format.nil?
      return super("NAME-VERSION-ITERATION.DIST.ARCH.TYPE").gsub('DIST', attributes[:rpm_dist]) if attributes[:rpm_dist]
      return super("NAME-VERSION-ITERATION.ARCH.TYPE")
    end
    return super(format)
  end