facematcher/facewaiter.sh

#!/bin/sh

echo "hello am facewaiter $$"

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

matchpid=
cleanup() {
	if [ -n "$matchpid" ]; then
		kill "$matchpid"
	fi
	exit 1
}
trap cleanup SIGTERM

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
./facematcher.py match --delay 500 --device 2 --waitfor start $faces/$USER/* <.matchfifo &
matchpid=$!

read <.testfifo
echo start > .matchfifo

kill $xpid
wait

rm -f .testfifo
rm -f .matchfifo