PREUN

/bin/sh

if [ $1 -eq 0 ] ; then 
        # Package removal, not upgrade 
        systemctl --no-reload --user --global disable xdg-desktop-portal.service > /dev/null 2>&1 || : 
fi

POSTIN

/bin/sh

if [ $1 -eq 1 ] ; then 
        # Initial installation 
        systemctl --no-reload preset \--user \--global xdg-desktop-portal.service >/dev/null 2>&1 || : 
fi