#!/bin/sh
#
# Initial port bootstrap scripts
# bootstrap-stage1-install.sh
# Installs built stage 1 packages into a bootstrap system directory.
#
# Copyright (C) 2013  Patrick "P. J." McDermott
#
# 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, either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

set -e

ARCH=
PLAT=

main()
{
	ARCH="$(cat /etc/proteanos_arch)"
	PLAT="$(cat /etc/proteanos_plat)"

	cat <<-EOF

		Installing packages in stage 1...
		=================================
		EOF

	install_packages
}

log()
{
	local msg i

	msg="$(printf "${@}")"
	printf '\n%s\n' "${msg}"
	i=0
	while [ ${i} -lt ${#msg} ]; do
		printf '-'
		i=$(($i + 1))
	done
	printf '\n\n'
}

install_packages()
{
	local opk pkg elf_interp

	[ -d root ] && rm -Rf root
	mkdir root
	cd root

	for opk in ../pkg/*_${ARCH}_${PLAT}.opk ../pkg/*_${ARCH}_all.opk \
			../pkg/*_all_${PLAT}.opk ../pkg/*_all_all.opk; do
		[ -f "${opk}" ] || continue
		pkg="${opk#../pkg/}"
		log 'Installing package %s...' "${pkg%%_*}"
		tar -xzOf "${opk}" data.tar.gz | tar -xz
	done

	elf_interp="$(readelf -l bin/busybox | sed -n \
		's|^.*\[Requesting program interpreter: /\(.*\)\].*$|\1|p')"
	mkdir -p "${elf_interp%/*}"
	ln -sf "/lib/${ARCH}/${elf_interp##*/}" "${elf_interp}"

	cd ..
}

main "${@}"