update_info

# File lib/bundler/compact_index_client.rb, line 85
    def update_info(name)
      Bundler::CompactIndexClient.debug { "update_info(#{name})" }
      path = @cache.info_path(name)
      checksum = @updater.checksum_for_file(path)
      unless existing = @info_checksums_by_name[name]
        Bundler::CompactIndexClient.debug { "skipping updating info for #{name} since it is missing from versions" }
        return
      end
      if checksum == existing
        Bundler::CompactIndexClient.debug { "skipping updating info for #{name} since the versions checksum matches the local checksum" }
        return
      end
      Bundler::CompactIndexClient.debug { "updating info for #{name} since the versions checksum #{existing} != the local checksum #{checksum}" }
      update(path, "info/#{name}")
    end