code: def upload_pgp_keys():
      
      get_vars()
      upload_target = '/tmp/pgp_pubkeys.tmp'
      with fab.settings(fab.hide('running')):
          fab.run('rm -rf %s' % upload_target)
          fab.run('mkdir %s' % upload_target)
          local_key_path = path.join(fab.env['config_base'], fab.env.instance.config['local_pgpkey_path'])
          remote_key_path = '/var/briefkasten/pgp_pubkeys/'.format(**AV)
          rsync('-av', local_key_path, '{host_string}:%s' % upload_target)
          fab.run('chown -R %s %s' % (AV['appuser'], remote_key_path))
          fab.run('chmod 700 %s' % remote_key_path)
          with fab.shell_env(GNUPGHOME=remote_key_path):
              fab.sudo('''gpg --import %s/*.*''' % upload_target,
                  user=AV['appuser'], shell_escape=False)
          fab.run('rm -rf %s' % upload_target)
docs: upload and/or update the PGP keys for editors, import them into PGP