#!/usr/bin/env bash

#  helper script: downloads crossgcc, for building coreboot
#
#	Copyright (C) 2016 Leah Rowe <info@minifree.org>
#
#    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 3 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/>.
#

# This script assumes that the working directory is the
# root of libreboot_src or libreboot git.

[ "x${DEBUG+set}" = 'xset' ] && set -v
set -u -e

if [ -f "version" ]; then
	# _src release archive is being used
	version="libreboot-$(cat version)"
else
	# git repo is being used
	version="libreboot-$(git describe --tags HEAD)"
fi

# coreboot revisios used for crossgcc
crossgccrevision="35562d8b6477058e6bca31b5cedd9d4897124fc7"
vbootrevision="d187cd3fc792f8bcefbee4587c83eafbd08441fc"

rm -Rf "crossgcc/"
(
    git clone https://review.coreboot.org/coreboot crossgcc || git clone https://github.com/coreboot/coreboot.git crossgcc
    cd "crossgcc/"
    git reset --hard ${crossgccrevision}
    git submodule update --init --checkout -- 3rdparty/vboot/
    (
        cd 3rdparty/vboot/
        git reset --hard ${vbootrevision}
    )
    # If -pie is enabled in GCC, then --with-pic must be used when compiling
    git am ../resources/libreboot/patch/crossgcc/looking_for_pie.patch
    # Update URI pointing to the version of libelf we need
    git am ../resources/libreboot/patch/crossgcc/libelf.patch
    #Patch to add hash checking to buildgcc
    git apply ../resources/libreboot/patch/crossgcc/buildgcc_hash_patch.diff
    rm -Rf .git* */*/.git*
)


printf "Deblobbing coreboot\n"
./resources/utilities/coreboot-libre/deblob