docs: def __pkg_upgrade_flags(self, flags):
          """Manage flags for package upgrade option
          """
          flag, skip = [], ""
          if flags[0] in self.args:
              for arg in self.args[3:]:
                  if arg.startswith(flags[1]):
                      skip = Regex(arg.split("=")[1]).get()
                      self.args.remove(arg)
                  if arg in flags:
                      flag.append(arg)
                      if arg in self.args:
                          self.args.remove(arg)
          return flag, skip