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#!/bin/sh
set -eu

die() {
	echo "${0}:" "$@" >&2
	exit 1
}

: ${CATSITD_PIPE:='%%RUNDIR%%/catsitd.pipe'}

quiet=
while getopts 'c:q' opt; do
	case $opt in
		(c) CATSITD_PIPE=$OPTARG;;
		(q) quiet=q;;
		(?) exit 1;;
	esac
done
shift $((OPTIND - 1))

if ! test -p "${CATSITD_PIPE}"; then
	die "${CATSITD_PIPE} is not a named pipe"
fi
if ! test -w "${CATSITD_PIPE}"; then
	die "${CATSITD_PIPE} is not writable"
fi

[ $# -lt 1 ] && die 'action required'
[ $# -lt 2 ] && die 'service name required'

action=$(echo "${1}" | tr 'A-Z' 'a-z')
for valid in start stop restart status drop $(kill -l | tr 'A-Z' 'a-z'); do
	[ "${action}" = "${valid}" ] && break
done
if [ "${action}" != "${valid}" ]; then
	die "${action} is not a valid action or signal"
fi

echo "$@" > "${CATSITD_PIPE}"
test $quiet && exit

sleep 0.1
tail /var/log/messages | grep catsitd