grit-iso/releng/root-image/etc/skel/.config/i3/shutdown

#!/bin/sh

# Check for any virtual machines running and save them.
if ! type "vboxmanage" > /dev/null; then
    for uuid in $( vboxmanage list runningvms | awk 'BEGIN{FS="\" "}{print $2}' )
    do
    	vboxmanage controlvm $uuid savestate
    done
fi

# Kill all open applications
i3-msg [class="."] kill

# Pause to allow applications to save any necessary information
# If they can't do it in 10 seconds their screwed.
sleep 1

## Now exit i3wm
#i3-msg exit