#!/bin/sh
TAGDIR=/var/run/console

[ -n "${CK_SESSION_USER_UID}" ] || exit 1

TAGFILE="${TAGDIR}/$(getent passwd ${CK_SESSION_USER_UID} | cut -f 1 -d:)"

if [ "$1" = "session_added" ]; then
 mkdir -p "${TAGDIR}"
 echo "${CK_SESSION_ID}" >> "$TAGFILE"
fi

if [ "$1" = "session_removed" ] && [ -e "$TAGFILE" ]; then
sed -i "\%^$CK_SESSION_ID\$%d" "${TAGFILE}"
[ -s "${TAGFILE}" ] || rm -f "${TAGFILE}"
fi