dom0: use qubes-prefs in scripts (#421)

Instead of qvm-set-* and qvm-get-*

dom0/init.d/qubes_netvm

@@ -18,7 +18,7 @@
 # Source function library.
 . /etc/rc.d/init.d/functions
 
-NETVM=$(qvm-get-default-netvm)
+NETVM=$(qubes-prefs --get default-netvm)
 
 get_running_netvms() {
     # Actually get running VMs with PCI devices attached

dom0/pm-utils/01qubes-sync-vms-clock

@@ -8,7 +8,7 @@ sync_qubes_vms_wallclock()
 DATE=$(date)
 echo
 echo "Syncing VMs clock to: $DATE"
-qvm-run --all --exclude=`qvm-get-clockvm` -u root "date -s \"$DATE\""
+qvm-run --all --exclude=`qubes-prefs --get clockvm` -u root "date -s \"$DATE\""
 # Then try to sync from the network
 /usr/bin/qvm-sync-clock &
 }

dom0/qvm-tools/qvm-dom0-update

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-UPDATEVM=`qvm-get-updatevm`
+UPDATEVM=`qubes-prefs --get updatevm`
 if [ -z "$UPDATEVM" ]; then
     echo "UpdateVM not set, exiting"
     exit 1

dom0/restore/qvm-create-default-dvm

@@ -13,7 +13,7 @@ if [ "$TEMPLATENAME" = --used-template ] ; then
 	fi
 fi
 if [ "$TEMPLATENAME" = --default-template ] ; then
-	TEMPLATENAME=$(qvm-get-default-template)
+	TEMPLATENAME=$(qubes-prefs --get default-template)
 	if [ "X"$TEMPLATENAME = "X" ] ; then
 		echo No default template ?
 		exit 1