PREUN

/bin/sh

if [ $1 -eq 0 ]; then
    # Package removal, not upgrade
    /bin/systemctl --no-reload disable NetworkManager.service >/dev/null 2>&1 || :

    # Don't kill networking entirely just on package remove
    #/bin/systemctl stop NetworkManager.service >/dev/null 2>&1 || :
fi

if [ $1 -eq 0 ] ; then 
        # Package removal, not upgrade 
        systemctl --no-reload disable NetworkManager-wait-online.service NetworkManager-dispatcher.service > /dev/null 2>&1 || : 
        systemctl stop NetworkManager-wait-online.service NetworkManager-dispatcher.service > /dev/null 2>&1 || : 
fi

POSTIN

/bin/sh

if [ $1 -eq 1 ] ; then 
        # Initial installation 
        systemctl preset NetworkManager.service NetworkManager-wait-online.service NetworkManager-dispatcher.service >/dev/null 2>&1 || : 
fi

POSTUN

/bin/sh

systemctl daemon-reload >/dev/null 2>&1 || :