-db_get carnet-debian/packages || true
-packages="`echo $RET | tr -d ','`"
+if [ -z "$packages" ]; then
+ echo "CN: Nema paketa odabranih za instalaciju."
+else
+ # Need to be explicit about exim -> postfix transition
+ if [ "${packages%postfix-cn*}" != "$packages" ] -o
+ [ "${packages%amavisd-cn*}" != "$packages" ]
+ then
+ packages="$packages postfix"
+ fi