Merge remote-tracking branch 'qubesos/pr/39' into release3.2

* qubesos/pr/39:
  Added -p to mkdir for skip error if dir exists
  Make dir dom0-updates if not exists on UpdateVM

Fixes QubesOS/qubes-issues#3620

dom0-updates/qubes-dom0-update

@@ -163,6 +163,8 @@ echo "Using $UPDATEVM as UpdateVM to download updates for Dom0; this may take so
 
 # Start VM if not running already
 qvm-run $QVMRUN_OPTS -a $UPDATEVM true || exit 1
+qvm-run -u root  $UPDATEVM 'mkdir -m 775 -p /var/lib/qubes/dom0-updates/' || exit 1
+qvm-run -u root  $UPDATEVM 'chown user:user /var/lib/qubes/dom0-updates/' || exit 1
 qvm-run  $UPDATEVM 'rm -rf /var/lib/qubes/dom0-updates/etc' || exit 1
 tar c /var/lib/rpm /etc/yum.repos.d /etc/yum.conf 2>/dev/null | \
    qvm-run -p "$UPDATEVM" 'LC_MESSAGES=C tar x -C /var/lib/qubes/dom0-updates 2>&1 | grep -v -E "s in the future"'