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#!/usr/bin/env bash
# helper script: Downloads GRUB and patches it.
#
# Copyright (C) 2014, 2015, 2016, 2020, 2021 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/>.
#
[ "x${DEBUG+set}" = 'xset' ] && set -v
set -u -e
usage()
{
progname="./download grub"
printf "Usage:\n"
printf "\t%s # %s\n" \
"${progname}" \
"Download GRUB"
printf "\t%s --help # %s\n" \
"${progname}" \
"Prints this help"
}
if [ $# -ne 0 ] ; then
usage
exit 0
fi
# Remove the old version that may still exist
# ------------------------------------------------------------------------------
printf "Downloading GRUB\n"
rm -Rf "grub/"
# Get latest GRUB
# ------------------------------------------------------------------------------
# download it using git
git clone git://git.savannah.gnu.org/grub.git || git clone http://git.savannah.gnu.org/r/grub.git
if [ ! -d "grub" ]; then
printf "grub not downloaded; check network connection?\n\n"
exit 1
fi
(
# modifications are required
cd "grub/"
# reset to known revision
git reset --hard 50aace6bdb918150ba47e3c16146dcca271c134a
for grubpatch in ../resources/grub/patches/*; do
git am "${grubpatch}"
done
git clone git://git.sv.gnu.org/gnulib gnulib
cd gnulib/
# NOTE: when updating this, make sure it's the version specified
# in bootstrap.conf on that version of GRUB, as specified above
git reset --hard d271f868a8df9bbec29049d01e056481b7a1a263
rm -Rf .git*
)
printf "\n\n"
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