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# SPDX-License-Identifier: GPL-3.0-or-later
# SPDX-FileCopyrightText: 2020,2021,2023 Leah Rowe <leah@libreboot.org>
# SPDX-FileCopyrightText: 2022 Caleb La Grange <thonkpeasant@protonmail.com>
# This file is only used by update/project/trees
eval "$(setvars "" _target rev _xm loc url bkup_url depend patchfail)"
tmp_git_dir="${PWD}/tmp/gitclone"
fetch_project_trees()
{
_target="${target}"
[ -d "src/${project}/${project}" ] || fetch_from_upstream
fetch_config
[ -z "${rev}" ] && err "fetch_project_trees $target: undefined rev"
if [ -d "src/${project}/${tree}" ]; then
printf "download/%s %s (%s): exists\n" \
"${project}" "${tree}" "${_target}" 1>&2
return 0
fi
prepare_new_tree
}
fetch_from_upstream()
{
[ -d "src/${project}/${project}" ] && return 0
x_ mkdir -p "src/${project}"
fetch_project_repo "${project}"
}
fetch_config()
{
rm -f "${cfgsdir}/"*/seen || err "fetch_config ${cfgsdir}: !rm seen"
while true; do
eval "$(setvars "" rev tree)"
_xm="fetch_config ${project}/${_target}"
load_target_config "${_target}"
[ "${_target}" = "${tree}" ] && break
_target="${tree}"
done
}
load_target_config()
{
[ -f "${cfgsdir}/${1}/target.cfg" ] || \
err "${_xm} check: target.cfg does not exist"
[ -f "${cfgsdir}/${1}/seen" ] && \
err "${_xm} check: infinite loop in tree definitions"
. "${cfgsdir}/${1}/target.cfg" || \
err "load_target_config ${cfgsdir}/${1}: cannot load config"
touch "${cfgsdir}/${1}/seen" || err "load_config $cfgsdir/$1: !mk seen"
}
prepare_new_tree()
{
printf "Creating %s tree %s (%s)\n" "${project}" "${tree}" "${_target}"
rm -Rf "${tmp_git_dir%/*}" || \
err "prepare_new_tree ${project}/${tree}: can't rm tmpclone"
mkdir "${tmp_git_dir%/*}" || \
err "prepare_new_tree ${project}/${tree}: can't mkdir tmp"
cp -R "src/${project}/${project}" "${tmp_git_dir}" || \
err "prepare_new_tree ${project}/${tree}: can't make tmpclone"
git_reset_rev "${tmp_git_dir}" "${rev}"
(
cd "${tmp_git_dir}" || \
err "prepare_new_tree ${project}/${tree}: can't cd tmpclone"
if [ -f ".gitmodules" ]; then
git submodule update --init --checkout || \
err "prepare_new_tree ${project}/${tree}: !submodules"
fi
) || err "git submodule update failure"
git_am_patches "${tmp_git_dir}" "$PWD/$cfgsdir/$tree/patches" || \
err "prepare_new_tree ${project}/${tree}: patch fail"
[ "${patchfail}" = "y" ] && err "PATCH FAIL"
mv "${tmp_git_dir}" "src/${project}/${tree}" || \
err "prepare_new_tree ${project}/${tree}: can't copy tmpclone"
}
fetch_project_repo()
{
scan_config "${project}" "config/git" "err"
verify_config
clone_project
[ -z "${depend}" ] || for d in ${depend} ; do
x_ ./update trees -f ${d}
done
rm -Rf "${tmp_git_dir}" || err "fetch_repo: !rm -Rf ${tmp_git_dir}"
}
verify_config()
{
[ -z "${rev+x}" ] && err 'verify_config: rev not set'
[ -z "${loc+x}" ] && err 'verify_config: loc not set'
[ -z "${url+x}" ] && err 'verify_config: url not set'
return 0
}
clone_project()
{
rm -Rf "${tmp_git_dir}" || err "clone_project: !rm -Rf ${tmp_git_dir}"
mkdir -p "${tmp_git_dir%/*}" || \
err "clone_project: !mkdir -p ${tmp_git_dir%/*}"
loc="${loc#src/}"
loc="src/${loc}"
if [ -d "${loc}" ]; then
printf "%s already exists, so skipping download\n" "$loc" 1>&2
return 0
fi
git clone ${url} "${tmp_git_dir}" || \
git clone ${bkup_url} "${tmp_git_dir}" || \
err "clone_project: could not download ${project}"
git_reset_rev "${tmp_git_dir}" "${rev}"
git_am_patches "${tmp_git_dir}" "${PWD}/config/${project}/patches" \
|| err "clone_project ${project} ${loc}: patch fail"
[ "${patchfail}" = "y" ] && err "PATCH FAIL"
x_ rm -Rf "${loc}"
[ "${loc}" = "${loc%/*}" ] || x_ mkdir -p "${loc%/*}"
mv "${tmp_git_dir}" "${loc}" || \
err "clone_project: !mv ${tmp_git_dir} ${loc}"
}
git_reset_rev()
{
(
cd "${1}" || err "git_reset_rev: !cd ${1}"
git reset --hard ${2} || err "!git reset ${1} <- ${2}"
if [ "${project}" != "coreboot" ] && [ "${project}" != "u-boot" ] && \
[ -f ".gitmodules" ]; then
git submodule update --init --checkout || \
err "git_reset_rev ${1}: can't download submodules"
fi
) || err "git reset fail"
}
git_am_patches()
{
sdir="${1}" # assumed to be absolute path
patchdir="${2}" # ditto
(
cd "${sdir}" || err "git_am_patches: !cd ${sdir}"
for patch in "${patchdir}/"*; do
[ -L "${patch}" ] && continue
[ -f "${patch}" ] || continue
git am "${patch}" || patchfail="y"
[ "${patchfail}" != "y" ] && continue
git am --abort || err "${sdir}: !git am --abort"
err "!git am ${patch} -> ${sdir}"
done
) || err "PATCH FAILURE"
for patches in "${patchdir}/"*; do
[ -L "${patches}" ] && continue
[ ! -d "${patches}" ] && continue
git_am_patches "${sdir}" "${patches}"
done
[ "${patchfail}" = "y" ] && return 1
return 0
}
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