+if [ $1 -eq 0 ]; then
+ # Disable and stop the units
+ /bin/systemctl disable foobar.service foobar.socket >/dev/null 2>&1 || :
+ /bin/systemctl stop foobar.service foobar.socket >/dev/null 2>&1 || :
+fi
+
+%postun
+if [ $1 -ge 1 ] ; then
+ # On upgrade, reload init system configuration if we changed unit files
+ /bin/systemctl daemon-reload >/dev/null 2>&1 || :
+ # On upgrade, restart the daemon
+ /bin/systemctl try-restart foobar.service >/dev/null 2>&1 || :