#!/bin/sh

DEFAULT_SOCKET="${2}"
POOL_FILE="${3}"
PRIORITY="${4}"

[ -r "${POOL_FILE}" ] || exit 0

SOCKET=$(sed -n 's/^listen[[:space:]]*=[[:space:]]*\([^[:space:]]*\)/\1/p' "${POOL_FILE}")

[ -S "${SOCKET}" ] || exit 0

case "$1" in
    start|install)
	/usr/bin/update-alternatives --quiet --install "${DEFAULT_SOCKET}" php-fpm.sock "${SOCKET}" "${PRIORITY}" 2>/dev/null
	;;
    stop|remove)
	/usr/bin/update-alternatives --quiet --remove php-fpm.sock "${SOCKET}" 2>/dev/null
	;;
    *)
	exit 1
	;;
esac

exit 0