def fetch_versions
      Utils.logger.info(
        "Fetching #{Configuration.versions_file} on #{@name} (#{@host})"
      )

      Http.get(host + '/' + Configuration.versions_file).body
    end
def fetch_versions
      Utils.logger.info(
        "Fetching #{Configuration.versions_file} on #{@name} (#{@host})"
      )

      Http.get(host + '/' + Configuration.versions_file).body
    end
@param [String] name
 @param [String] host
 @param [Array] gems


 Fetches a list of all the available Gems and their versions.

 @return [String]