# File lib/rubygems/spec_fetcher.rb, line 44
  def initialize
    @dir = File.join Gem.user_home, '.gem', 'specs'
    @update_cache = File.stat(Gem.user_home).uid == Process.uid

    @specs = {}
    @latest_specs = {}
    @prerelease_specs = {}

    @fetcher = Gem::RemoteFetcher.fetcher
  end