docs: def check_exists_repositories(repo):
      """Checking if repositories exists by PACKAGES.TXT file
      """
      pkg_list = "PACKAGES.TXT"
      if repo == "sbo":
          pkg_list = "SLACKBUILDS.TXT"
      if check_for_local_repos(repo) is True:
          pkg_list = "PACKAGES.TXT"
          return ""
      if not os.path.isfile("{0}{1}{2}".format(
              _meta_.lib_path, repo, "_repo/{0}".format(pkg_list))):
          return repo
      return ""