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- #!/bin/sh
- possibly_run_save_script()
- {
- ENCODED_SCRIPT=$(qubesdb-read /qubes-save-script)
- if [ -z "$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 &
- while ! [ -S /tmp/.X11-unix/X0 ]; do sleep 0.5; done
- DISPLAY=:0 su - user -c /tmp/qubes-save-script
- killall Xorg
- }
- if qubesdb-read /qubes-save-request 2>/dev/null ; then
- if [ -L /home ]; then
- rm /home
- mkdir /home
- fi
- mount --bind /home_volatile /home
- touch /etc/this-is-dvm
- mount /rw
- possibly_run_save_script
- umount /rw
- dmesg -c >/dev/null
- free | grep Mem: |
- (read a b c d ; qubesdb-write /qubes-used-mem $c)
- # give dom0 time to read some entries, when done it will shutdown qubesdb,
- # so wait for it
- qubesdb-watch /stop-qubesdb
- # just to make sure
- systemctl stop qubes-db.service
- # we're still running in DispVM template
- echo "Waiting for save/restore..."
- # the service will start only after successful restore
- systemctl start qubes-db.service
- echo Back to life.
- fi
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