Gem::QueryUtils#version_platform_labels

# File tmp/rubies/ruby-4.1.0-preview1/lib/rubygems/query_utils.rb, line 293
def version_platform_labels(version, platforms, platform_ruby_abis, label_platform: false)
  platforms = platforms.uniq
  return [] if platforms == [Gem::Platform::RUBY]

  platforms = [platforms.delete(Gem::Platform::RUBY), *platforms.sort].compact
  platforms.map do |platform|
    ruby_abis = platform_ruby_abis[version][platform].uniq.sort
    platform_label = label_platform ? "Platform: #{platform}" : platform
    next platform_label if ruby_abis.empty?

    separator = label_platform ? ", " : " "
    "#{platform_label}#{separator}Ruby ABI: #{ruby_abis.join(", ")}"
  end
end