docs: def bin_upgrade(self):
          """Install-upgrade Slackware binary packages
          """
          packages = self.args[1:]
          options = [
              "-u",
              "--upgradepkg"
          ]
          flag = ""
          flags = [
              "--dry-run",
              "--install-new",
              "--reinstall",
              "--verbose"
          ]
          if len(self.args) > 1 and self.args[0] in options:
              if self.args[1] in flags:
                  flag = self.args[1]
                  packages = self.args[2:]
              PackageManager(packages).upgrade(flag)
          else:
              usage("")