# vim: set ft=sh:
# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: package/.../runit/overlay.d/runit/D%libdir_runit-run.in.txt
# Copyright (C) 2010 The OpenSDE Project
#
# More information can be found in the files COPYING and README.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License. A copy of the
# GNU General Public License can be found in the file COPYING.
# --- SDE-COPYRIGHT-NOTE-END ---

usage() {
cat <<EOT >&2
usage: $0 <run_script>
       ln -s $0 <run_script>; <run_script>
EOT
exit 1
}

die() {
	[ $# -eq 0 ] || echo "$*" >&2
	exit 1
}

progname() {
	case "$1" in
	/*)	echo "$1" ;;
	*/*)	echo "$(cd "${1%/*}"; pwd)/${1##*/}" ;;
	*)	if [ "$PWD" = / ]; then
			echo "/$1"
		else
			echo "$PWD/$1"
		fi ;;
	esac
}

case "$0" in
D_sbindir/${TEMPLATE:-runit-run})
        # Sha-Bang'ed
	[ $# -gt 0 ] || usage

	if [ -s "$1" ] && ${SHELL:-sh} -n "$1"; then
		PROGNAME="$(progname "$1")"; shift
		SCRIPT=yes
	else
		die "$PROGNAME: invalid script" >&2
	fi
	;;
*)
        # symlinked
	PROGNAME="$(progname "$0")"
	SCRIPT=
esac

cd "${PROGNAME%/*}"