#!/bin/bash
# Copyright 2008-2009 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: Exp $

# - solar
# - sleipnir

cross_wrap_etc() {
	local chost=$1
	conf=/usr/$chost/etc/eixrc.conf
	echo "EIX_PREFIX=/usr/$chost" >> ${conf}
	echo "EXEC_EBUILD_SH=/usr/$chost/usr/lib/portage/bin/ebuild.sh" >> ${conf}
}

cross_init() {
	bn=$(basename $0)
	[[ $bn != eix-wrapper ]] && { echo "I wont understand things" ; exit 1; }
	dn=$(dirname $(readlink -f $0))
	chosts=$(gcc-config -l | awk '{print $2}'| grep -- -| cut -d '-' -f 1-4| sort -u)
	cd $dn || { echo "Failed to cd to $dn" ; exit 1; }
	export overlay=$(portageq envvar PORTDIR_OVERLAY)

	for chost in $chosts; do
		[[ $chost == $CBUILD ]] && continue
		[[ $(type -p ${chost}-gcc) == "" ]] && continue
		echo " * Setting up symlinks for $chost"
		ln -sf eix-wrapper eix-${chost}
		ln -sf eix-wrapper ${chost}-eix
		if [ -d /usr/${chost} ] ; then
			if [[ ! -f /usr/${chost}/etc/eixrc.conf ]]; then
				echo " * Setting up cross basics in /usr/${chost}/etc"
				cross_wrap_etc $chost
			fi
		fi
	done
}

# CBUILD must be the first thing we export
export CBUILD=$(portageq envvar CBUILD)

if [[ $1 == "--init" ]]; then
	cross_init
	exit 0
fi

CHOST=$(basename $0)
CHOST=${CHOST/-eix}
CHOST=${CHOST/eix-}
export CHOST

if [[ $CHOST == wrapper ]]; then
	if [[ $1 == "--target" ]]; then
		export CHOST=$2
		shift 2
	else
		echo "After running this program with the --init option as root"
		echo "you can call it directly like eix-wrapper --target CHOST <emerge options>"
		echo "or using the emerge-CHOST wrappers"
		exit 1
	fi
fi

[[ $(type -p ${CHOST}-gcc) == "" ]] && { echo "You need to 'crossdev $CHOST' first" ; exit 1; }

EIX_PREFIX=/usr/${CHOST} eix "$@"