arch-ppa/src/searx/searx.install

post_install() {
  getent passwd searx >/dev/null || useradd -rb /usr/lib/python2.7/site-packages -s /usr/bin/nologin searx
  echo "Settings are at /etc/searx/settings.yml"	
}

post_upgrade() {
  post_install
}

post_remove() {
 	echo "You may want to remove searx user"
}