docs: def update_repos(self):
          """Update repositories.conf file with enabled or disabled
          repositories
          """
          with open("{0}{1}".format(self.meta.conf_path,
                                    self.repositories_conf), "w") as new_conf:
              for line in self.conf.splitlines():
                  line = line.lstrip()
                  if self.tag in line:
                      self.tag_line = True
                  if self.tag_line and line.startswith("#"):
                      repo = "".join(line.split("#")).strip()
                      if repo in self.selected:
                          new_conf.write(line.replace(line, repo + "\n"))
                          continue
                  if (self.tag_line and not line.startswith("#") and
                          line != self.tag):
                      repo = line.strip()
                      if repo not in self.selected:
                          new_conf.write(line.replace(line, "# " + line + "\n"))
                          continue
                  new_conf.write(line + "\n")