core-admin/vm-systemd/prepare-dvm.sh

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#!/bin/sh
possibly_run_save_script()
{
ENCODED_SCRIPT=$(xenstore-read qubes_save_script)
if [ -z "$ENCODED_SCRIPT" ] ; then return ; fi
echo $ENCODED_SCRIPT|perl -e 'use MIME::Base64 qw(decode_base64); local($/) = undef;print decode_base64(<STDIN>)' >/tmp/qubes_save_script
chmod 755 /tmp/qubes_save_script
Xorg -config /etc/X11/xorg-preload-apps.conf :0 &
sleep 2
DISPLAY=:0 su - user -c /tmp/qubes_save_script
killall Xorg
}
if xenstore-read qubes_save_request 2>/dev/null ; then
ln -sf /home_volatile /home
possibly_run_save_script
touch /etc/this_is_dvm
dmesg -c >/dev/null
free | grep Mem: |
(read a b c d ; xenstore-write device/qubes_used_mem $c)
# we're still running in DispVM template
echo "Waiting for save/restore..."
# ... wait until qubes_restore.c (in Dom0) recreates VM-specific keys
while ! xenstore-read qubes_restore_complete 2>/dev/null ; do
usleep 10
done
echo Back to life.
fi