# File lib/rubygems/source_index.rb, line 226 def outdated remotes = Gem::SourceInfoCache.search(//) outdateds = [] latest_specs.each do |_, local| name = local.name remote = remotes.select { |spec| spec.name == name }. sort_by { |spec| spec.version }. last outdateds << name if remote and local.version < remote.version end outdateds end