facematcher/facewaiter.sh

#!/bin/bash

keyboard="AT Translated Set 2 keyboard"
battery="/sys/class/power_supply/BAT0"
device=2
faces="faces"

if [ -n "$battery" ]; then
	st="$(cat "$battery/status")"
	if [ "$st" != "Discharging" ] && [ "$st" != "Unknown" ]; then
		./facematcher.py match --delay 500 --device "$device" $faces/$USER/*
		exit $?
	fi
fi

rm -f .testfifo
mkfifo .testfifo
xinput test "AT Translated Set 2 keyboard" \
	| grep --line-buffered "key press   36" > .testfifo &
xpid=$!

rm -f .matchfifo
mkfifo .matchfifo

matcher() {
	cat .matchfifo | ./facematcher.py match --delay 500 --device 2 --wait $faces/$USER/*
}
matcher &
matchpid=$!
trap "kill $matchpid" SIGINT SIGTERM

read <.testfifo
echo > .matchfifo

kill $xpid
wait

rm -f .testfifo
rm -f .matchfifo