#!/bin/sh
##############################################

[ "$(id -u)" = 0 ] || return 1

# /usr/local/etc/telem/setup.tar.xz
# /usr/local/etc/telem/setup.new.tar.xz
# /usr/local/etc/telem/setup.reload.tar.xz
# /usr/local/etc/telem/setup.revert.tar.xz
filter='/^\/usr\/local\/etc\/telem\/setup\.?(new|reload|revert)?\.tar\.xz$/'

source="$(readlink -f "${1}" | awk "${filter}")"; shift
target="$(echo        "${1}" | awk "${filter}")"; shift

[ -z "$source" ] && exit 1
[ -z "$target" ] && exit 1

ln "${source}" "${target}"
