--- arch-nspawn.in	2015-01-04 16:32:42.463202960 -0500
+++ arch-nspawn.ugly	2015-01-05 14:05:01.749597982 -0500
@@ -1,4 +1,6 @@
 #!/bin/bash
+# License: GNU GPLv2
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; version 2 of the License.
@@ -92,11 +94,14 @@
 fi
 
 build_mount_args
+cache_dirs+=('/repo/')
 copy_hostconf
 
 eval $(grep '^CARCH=' "$working_dir/etc/makepkg.conf")
+CHROOTARCH=$CARCH
+eval $(grep '^CHROOTARCH=' "$working_dir/etc/libretools.d/chroot.conf")
 
-exec ${CARCH:+setarch "$CARCH"} systemd-nspawn -q \
+exec ${CHROOTARCH:+setarch "$CHROOTARCH"} systemd-nspawn -q \
 	-D "$working_dir" \
 	--register=no \
 	"${mount_args[@]}" \