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|
#!/usr/bin/env sh
# helper script: create code trees based on git revision, with patches
# (currently used for downloading coreboot, seabios and u-boot)
#
# Copyright (C) 2014-2016,2020,2021,2023 Leah Rowe <info@minifree.org>
# Copyright (C) 2022 Alper Nebi Yasak <alpernebiyasak@gmail.com>
# Copyright (C) 2022 Ferass El Hafidi <vitali64pmemail@protonmail.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
. "include/err.sh"
_target=""
tree=""
rev=""
project=""
cfgsdir=""
main()
{
rm -f ${cfgsdir}/*/seen
printf "Downloading %s and (if available) applying patches\n" \
${project}
[ -z "${1}" ] && err "project name not specified"
project="${1}"
cfgsdir="resources/${project}"
[ -d "${cfgsdir}" ] || err "unsupported project name"
shift 1
targets=""
if [ $# -gt 0 ]; then
targets=$@
else
for x in "${cfgsdir}/"*; do
[ ! -d "${x}" ] && continue
targets="${targets} ${x##*/}"
done
fi
for x in ${targets}; do
rm -f "${cfgsdir}"/*/seen
download_for_target "${x}"
done
rm -f ${cfgsdir}/*/seen
}
download_for_target()
{
_target="${1}"
tree="undefined"
rev="undefined"
fetch_config "${_target}" || exit 1
rm -f "${cfgsdir}"/*/seen
if [ -d "${project}/${tree}" ]; then
printf "REMARK: download/%s %s: exists. Skipping.\n" \
${project} ${tree}
[ "${tree}" != "${_target}" ] && \
printf "(for target: '%s}')\n" ${_target}
return 0
fi
fetch_from_upstream || exit 1
prepare_new_tree "${_target}" "${tree}" "${rev}" || exit 1
}
fetch_config()
{
_target=${1}
while true; do
rev="undefined"
tree="undefined"
check_config_for_target "${_target}" || return 1
# This is to override $rev and $tree
. "${cfgsdir}/${_target}/target.cfg" || exit 1
if [ "${_target}" != "${tree}" ]; then
_target="${tree}"
continue
elif [ "${tree}" = "undefined" ]; then
printf "ERROR: download/%s:"
printf " tree name undefined for '%s\n'" \
${project} ${_target}
return 1
elif [ "${rev}" = "undefined" ]; then
printf "ERROR: download/%s:"
printf " commit ID undefined for '%s'\n" \
${project} ${_target}
return 1
else
break
fi
done
}
check_config_for_target()
{
_target=${1}
if [ ! -f "${cfgsdir}/${_target}/target.cfg" ]; then
printf "ERROR: download/%s: target.cfg does not" ${project}
printf " exist for '%s'\n" ${_target}
return 1
elif [ -f "${cfgsdir}/${_target}/seen" ]; then
printf "ERROR: download/%s: logical loop:" ${project}
printf " '%s' target.cfg refers to another tree," ${_target}
printf " which ultimately refers back to '%s'." ${_target}
return 1
fi
touch "${cfgsdir}/${_target}/seen"
}
fetch_from_upstream()
{
[ -d "${project}" ] || mkdir -p "${project}"
[ -d "${project}" ] || return 1
[ -d "${project}/${project}" ] && return 0
./fetch ${project} || return 1
}
prepare_new_tree()
{
target=${1}
tree=${2}
rev=${3}
printf "Preparing %s tree: %s\n" ${project} ${tree}
[ "${tree}" != "${target}" ] && \
printf "(for target, %s)\n" "${target}"
cp -R "${project}/${project}" "${project}/${tree}" || exit 1
(
cd "${project}/${tree}" || err "cannot cd to ${project}/${tree}"
git reset --hard ${rev} || \
err "cannot reset ${project} revision for tree, ${tree}"
git submodule update --init --checkout || \
err "cannot update ${project} submodules for tree, ${tree}"
for patch in ../../"${cfgsdir}"/"${tree}"/patches/*.patch; do
[ ! -f "${patch}" ] && continue
if ! git am "${patch}"; then
git am --abort
err "cannot patch ${tree}"
fi
done
# extra.sh can be used for anything
# but should *only* be a last resort
if [ -f "../../${cfgsdir}/${tree}/extra.sh" ]; then
"../../${cfgsdir}/${tree}/extra.sh" || \
err "${tree} extra.sh"
fi
)
}
main $@
|
