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|
#!/usr/bin/env bash
# helper script: download coreboot
#
# Copyright (C) 2014, 2015, 2016, 2020, 2021 Leah Rowe <info@minifree.org>
# Copyright (C) 2022 Alper Nebi Yasak <alpernebiyasak@gmail.com>
#
# 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
list_supported_boards()
{
for board in resources/coreboot/*; do
echo $board | sed 's#resources/coreboot/##'
done
}
usage()
{
progname="./download coreboot"
printf "Usage:\n"
printf "\t%s # %s\n" \
"${progname}" \
"Download and deblob Coreboot for all the boards"
printf "\t%s [board [board] ...] # %s\n" \
"${progname}" \
"Download and deblob Coreboot for the given boards"
printf "\t%s --list-boards # %s\n" \
"${progname}" \
"Prints this help"
printf "\t%s --help # %s\n" \
"${progname}" \
"List supported boards"
printf "\t%s --help # %s\n" \
"${progname}" \
"Prints this help"
}
# In this script, set -u is used to check for undefined variables, and
# the test command doesn't do any lazy evaluation, so we can't use
# a syntax like that: [ $# -eq 1 -a "$1" == "--help" ].
if [ $# -eq 1 ] && [ "$1" == "--help" ] ; then
usage
exit 0
elif [ $# -eq 1 ] && [ "$1" == "--list-boards" ] ; then
list_supported_boards
exit 0
fi
[[ -f build_error ]] && rm -f build_error
rm -f resources/coreboot/*/seen
downloadfor() {
board="${1}"
cbtree="undefined"
cbrevision="undefined"
# The loop will always exit, but this while loop is crafted
# such that a tree referencing a tree that references another tree is possible
# (and so on)
while true; do
cbrevision="undefined"
cbtree="undefined"
if [ ! -f "resources/coreboot/${board}/board.cfg" ]; then
printf "ERROR: download/coreboot: board.cfg does not exist for '%s'\n" "${board}"
return 1
fi
if [ -f "resources/coreboot/${board}/seen" ]; then
printf "ERROR: download/coreboot: logical loop; '%s' board.cfg refers to another tree, which ultimately refers back to '%s'.\n" "${board}" "${board}"
return 1
fi
# This is to override $cbrevision and $cbtree
source "resources/coreboot/${board}/board.cfg" || touch ../build_error
if [ -f build_error ]; then
printf "ERROR: download/coreboot: problem sourcing %s/board.cfg\n" "${board}"
return 1
fi
touch "resources/coreboot/${board}/seen"
if [ "${board}" != "${cbtree}" ]; then
board="${cbtree}"
else
if [ "${cbtree}" = "undefined" ]; then
printf "ERROR: download/coreboot: tree name undefined for '%s\n'" "${board}"
return 1
fi
if [ "${cbrevision}" = "undefined" ]; then
printf "ERROR: download/coreboot: commit ID undefined for '%s'\n" "${board}"
return 1
fi
break
fi
done
rm -f resources/coreboot/*/seen
if [ -d "coreboot/${cbtree}" ]; then
printf "REMARK: download/coreboot: directory for '%s' already exists. Skipping setup.\n" "${cbtree}"
if [ "${cbtree}" != "${1}" ]; then
printf "(for board: '${1}')\n"
fi
return 0
fi
if [ ! -d coreboot ]; then
mkdir "coreboot/"
fi
if [ ! -d coreboot ]; then
printf "ERROR: download/coreboot: directory not created. Check file system permissions\n"
return 1
fi
cd "coreboot/"
if [ ! -d coreboot/.git ] && [ -d coreboot ]; then
rm -Rf coreboot/
fi
if [ ! -d coreboot ]; then
printf "Download coreboot from upstream:\n"
git clone https://review.coreboot.org/coreboot || rm -Rf coreboot
if [ ! -d coreboot ]; then
printf "WARNING: Upstream failed. Trying backup github repository:\n"
git clone https://github.com/coreboot/coreboot.git || rm -Rf coreboot
fi
if [ ! -d coreboot ]; then
printf "ERROR: download/coreboot: Problem with git-clone. Network issue?\n"
cd ../; return 1
fi
else
( cd coreboot/; git pull || touch ../build_error )
if [ -f ../build_error ]; then
printf "ERROR: download/coreboot: Problem with git-pull. Network issue?\n"
cd ../; return 1
fi
fi
cp -R coreboot "${cbtree}" || touch ../build_error
if [ -d ../build_error ]; then
printf "ERROR: download/coreboot: Unable to copy directory. Check file system permissions or free space.\n"
rm -Rf "${cbtree}/"
cd ../; return 1
fi
cd ${cbtree}/
git reset --hard ${cbrevision} || touch ../../build_error
if [ -f ../../build_error ]; then
printf "ERROR: download/coreboot: Unable to reset to commit ID/tag '%s' for board '%s' on tree '%s'\n" "${cbrevision}" "${1}" "${cbtree}"
cd ../../; return 1
fi
git submodule update --init --checkout || touch ../../build_error
if [ -f ../../build_error ]; then
printf "ERROR: download/coreboot: Unable to update submodules for tree '%s'\n" "${cbtree}"
cd ../../; return 1
fi
for patch in ../../resources/coreboot/${cbtree}/patches/*.patch; do
if [ ! -f "${patch}" ]; then
continue
fi
git am "${patch}" || touch ../../build_error
if [ -f ../../build_error ]; then
printf "ERROR: download/coreboot: Unable to apply patch '%s' for board '%s' on tree '%s'" "${patch}" "${1}" "${cbtree}"
git am --abort
cd ../../; return 1
fi
done
# extra.sh could be used to patch submodules, if you wanted to
# It's impossible to predict what submodules will be available, and
# it's rare that you'd want to patch them, so this is handled by
# extra.sh on a per-board basis
# In fact, extra.sh can be used for anything you want.
if [ -f "../../resources/coreboot/${board}/extra.sh" ]; then
"../../resources/coreboot/${board}/extra.sh" || touch ../../build_error
if [ -f ../../build_error ]; then
cd ../../; return 1
fi
return 0
else
cd ../../
return 0
fi
}
printf "Downloading coreboot and (if exist in build system) applying patches\n"
if [ $# -gt 0 ]; then
for board in "${@}"; do
rm -f resources/coreboot/*/seen
downloadfor "${board}"
if [ -f build_error ]; then break; fi
done
else
for board in resources/coreboot/*; do
rm -f resources/coreboot/*/seen
if [ ! -d "${board}/" ]; then
continue
fi
downloadfor "${board##*/}"
if [ -f build_error ]; then break; fi
done
fi
rm -f resources/coreboot/*/seen
rm -f "build_error"
printf "\n\n"
exit 0
|
