#!/bin/bash
# Copyright 2007-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

scriptpath=${BASH_SOURCE[0]}
scriptname=${scriptpath##*/}

# PREFIX LOCAL: warn about screwups early
if [[ -n ${EPREFIX} ]] ; then
	echo "When using Prefix, this BSD sed wrapper should not exist (in ${scriptpath})!  This is a bug!" > /dev/stderr
	exit 1
fi
# END PREFIX LOCAL

if [[ sed == ${scriptname} && -n ${ESED} ]]; then
	exec ${ESED} "$@"
elif type -P g${scriptname} > /dev/null ; then
	exec g${scriptname} "$@"
else
	old_IFS="${IFS}"
	IFS=":"

	for path in $PATH; do
		if [[ -x ${path}/${scriptname} ]]; then
			[[ ${path}/${scriptname} -ef ${scriptpath} ]] && continue
			exec "${path}/${scriptname}" "$@"
			exit 0
		fi
	done

	IFS="${old_IFS}"
fi

exit 1