Use tmpfile.d to create /var/run subdirs

This way it will be done much earlier, so qubes-db can be started before
qubes-core.service - which will solve startup dependency loop problem.

linux/aux-tools/fix-dir-perms.sh

@@ -13,13 +13,6 @@ chgrp qubes /proc/xen/xenbus
 chmod 660 /proc/xen/xenbus
 chgrp qubes /dev/xen/evtchn
 chmod 660 /dev/xen/evtchn
-mkdir -p /var/run/qubes
-chgrp qubes /var/run/qubes
-chmod 770 /var/run/qubes
-touch /var/run/qubes/xl-lock
-chgrp qubes /var/run/qubes/xl-lock
-chmod 660 /var/run/qubes/xl-lock
 chgrp -R qubes /var/log/xen
 chmod -R g+rX /var/log/xen
 chmod g+s /var/log/xen/console
-mkdir -p /var/run/xen-hotplug

linux/system-config/Makefile

@@ -8,3 +8,4 @@ install:
 	ln -s block-snapshot $(DESTDIR)/etc/xen/scripts/block-origin
 	install -d $(DESTDIR)/etc/xdg/autostart
 	install -m 0644 qubes-guid.desktop $(DESTDIR)/etc/xdg/autostart/
+	install -m 0644 -D tmpfiles-qubes.conf $(DESTDIR)/usr/lib/tmpfiles.d/qubes.conf

linux/system-config/tmpfiles-qubes.conf

@@ -0,0 +1,3 @@
+d /var/run/qubes 0770 root qubes
+f /var/run/qubes/xl-lock 0660 root qubes
+d /var/run/xen-hotplug 0755 root root

rpm_spec/core-dom0.spec

@@ -234,6 +234,7 @@ fi
 %attr(2770,root,qubes) %dir /var/lib/qubes/vm-kernels
 /usr/share/qubes/vm-template.xml
 /usr/share/qubes/vm-template-hvm.xml
+/usr/lib/tmpfiles.d/qubes.conf
 /usr/lib/qubes/qubes-prepare-saved-domain.sh
 /usr/lib/qubes/qubes-update-dispvm-savefile-with-progress.sh
 /etc/xen/scripts/block.qubes