# File lib/gem2rpm/distro.rb, line 35
    def self.template_by_os_version(os, version)
      Dir.new(Gem2Rpm::template_dir).each do |file|
        /#{os}-([\w-]+).spec.erb/ =~ file
        return file.gsub('.spec.erb', '') if Regexp.last_match and in_range?(version, Regexp.last_match[1].to_s.split('-'))
      end

      nil
    end