core-admin/dom0/qvm-tools/qvm-dom0-upgrade

#!/bin/bash

UPDATEVM=`qvm-get-updatevm`
if [ -z "$UPDATEVM" ]; then
    echo "UpdateVM not set, exiting"
    exit 1
fi

echo "Checking for dom0 updates"

# Start VM if not running already
qvm-run -a $UPDATEVM true || exit 1
/usr/lib/qubes/sync_rpmdb_updatevm.sh || exit 1
qvm-run --pass_io $UPDATEVM "/usr/lib/qubes/qubes_download_dom0_updates.sh $*" || exit 1
# Wait for download completed
while pidof -x qubes-receive-updates >/dev/null; do sleep 0.5; done
if [ $# -gt 0 ]; then
    echo "You can now install downloaded packages (eg. using yum)"
elif [ -f /var/lib/qubes/updates/repodata/repomd.xml ]; then
    yum check-update
    if [ $? -eq 100 ]; then
        gpk-update-viewer
    fi
else
    echo "No updates avaliable"
fi