post_install() {
  post_upgrade $1
}

post_upgrade() {
  if ! getent passwd nostromo >/dev/null; then
    useradd --system -c 'nostromo web server user' -g daemon -d /usr/share/nostromo/htdocs -s /sbin/nologin nostromo
  fi
  chown -R nostromo:daemon /usr/share/nostromo/htdocs
  chown -R nostromo:daemon /usr/share/nostromo/logs
}

pre_remove() {
  systemctl stop nostromo
}

post_remove() {
  userdel nostromo
}