entry_versions

# File lib/rubygems/commands/query_command.rb, line 242
  def entry_versions entry, name_tuples, platforms
    return unless options[:versions]

    list =
      if platforms.empty? or options[:details] then
        name_tuples.map { |n| n.version }.uniq
      else
        platforms.sort.reverse.map do |version, pls|
          if pls == [Gem::Platform::RUBY] then
            version
          else
            ruby = pls.delete Gem::Platform::RUBY
            platform_list = [ruby, *pls.sort].compact
            "#{version} #{platform_list.join ' '}"
          end
        end
      end

    entry << " (#{list.join ', '})"
  end