docs: def sh(self, *command, **kwargs):
          """Run a shell command with the given arguments."""
          self.log.debug('shell: %s', ' '.join(command))
          return subprocess.check_call(' '.join(command),
                                       stdout=sys.stdout,
                                       stderr=sys.stderr,
                                       stdin=sys.stdin,
                                       shell=True, **kwargs)