class Gem::Commands::QueryCommand

def spec_platforms entry, platforms
  non_ruby = platforms.any? do |_, pls|
    pls.any? { |pl| pl != Gem::Platform::RUBY }
  end
  return unless non_ruby
  if platforms.length == 1 then
    title = platforms.values.length == 1 ? 'Platform' : 'Platforms'
    entry << "    #{title}: #{platforms.values.sort.join ', '}\n"
  else
    entry << "    Platforms:\n"
    platforms.sort_by do |version,|
      version
    end.each do |version, pls|
      label = "        #{version}: "
      data = format_text pls.sort.join(', '), 68, label.length
      data[0, label.length] = label
      entry << data << "\n"
    end
  end
end