post_install() {
 echo "*************************************************************"
 echo "To use luametatex run"
 echo "    source /opt/luametatex/setuptex"
 echo "from your shell (as a normal user)"
 echo "*************************************************************"
}

post_upgrade() {
 echo "*************************************************************"
 echo "To use luametatex run"
 echo "    source /opt/luametatex/setuptex"
 echo "from your shell (as a normal user)"
 echo "*************************************************************"
}

pre_remove() {
  /bin/true
}