#!/bin/sh
# vim: set sw=4 ts=4 sts=4 et :

set -e

. ./config

# Ensure we have a Portage repo
if [ ! -f /var/db/repos/gentoo/metadata/timestamp ]; then
    emerge-webrsync
fi

# Migrate to the merged-usr layout
mkdir -p /usr/${target}/bin
emerge -bknv --quiet-build=y merge-usr
merge-usr --root=/usr/${target}

if [ ! -d /usr/${target}/etc/portage/make.conf ]; then
    mv /usr/${target}/etc/portage/make.conf \
        /usr/${target}/etc/portage/make.conf.orig
    mkdir /usr/${target}/etc/portage/make.conf
    mv /usr/${target}/etc/portage/make.conf.orig \
        /usr/${target}/etc/portage/make.conf/10-base.conf
fi

if [ ! -d /etc/portage/make.conf ]; then
    mv /etc/portage/make.conf \
        /etc/portage/make.conf.orig
    mkdir /etc/portage/make.conf
    mv /etc/portage/make.conf.orig \
        /etc/portage/make.conf/10-base.conf
fi

# Set the Portage profile
ln -snf \
    /var/db/repos/gentoo/profiles/${profile} \
    /usr/${target}/etc/portage/make.profile