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#!/usr/bin/env bash
# Copyright © 2015 Luke Shumaker <lukeshu@sbcglobal.net>
# This work is free. You can redistribute it and/or modify it under the
# terms of the Do What The Fuck You Want To Public License, Version 2,
# as published by Sam Hocevar. See the COPYING file for more details.
mode="$1"
lock=/run/network-online/lock
fifo=/run/network-online/"$2"
PS4="$mode: "
case "$mode" in
start)
trap 'rm -f -- "$fifo"' EXIT
set -x
mkdir -p /run/network-online || exit $?
exec 8>"$lock" || exit $?
flock -s 8 || exit $?
systemctl start network-online.target || exit $?
mkfifo "$fifo" || exit $?
cat "$fifo"
exec 8>&-
echo stopped >> "$fifo"
;;
stop)
set -x
exec 8>"$lock" || exit $?
echo stopping >> "$fifo" || exit $?
cat "$fifo" || exit $?
if flock -x -n 8; then
systemctl stop network-online.target
rm -rf /run/network-online
fi
;;
esac
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