# File lib/rubygems/source_info_cache.rb, line 143
  def latest_cache_data
    latest_cache_data = {}

    cache_data.each do |repo, sice|
      latest = sice.source_index.latest_specs

      new_si = Gem::SourceIndex.new
      new_si.add_specs(*latest)

      latest_sice = Gem::SourceInfoCacheEntry.new new_si, sice.size
      latest_cache_data[repo] = latest_sice
    end

    latest_cache_data
  end