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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 "$(setvars "" _target rev _xm loc url bkup_url depend)"
fetch_project_trees()
{
_target="${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"
cp -R "src/${project}/${project}" "${tmpgit}" || \
err "prepare_new_tree ${project}/${tree}: can't make tmpclone"
git_prep "$PWD/$cfgsdir/$tree/patches" "src/$project/$tree" "update"
}
fetch_project_repo()
{
scan_config "${project}" "config/git" "err"
verify_config
clone_project
[ -z "${depend}" ] || for d in ${depend} ; do
x_ ./update trees -f ${d}
done
rm -Rf "${tmpgit}" || err "fetch_repo: !rm -Rf ${tmpgit}"
}
verify_config()
{
[ -z "${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()
{
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 $url "$tmpgit" || git clone $bkup_url "$tmpgit" \
|| err "clone_project: could not download ${project}"
git_prep "$PWD/config/$project/patches" "$loc"
}
git_prep()
{
_patchdir="$1"
_loc="$2"
git -C "$tmpgit" reset --hard $rev || \
err "!git -C $_patchdir reset $rev"
git_am_patches "$tmpgit" "$_patchdir" || err "!am $_loc $_patchdir"
[ "$project" != "coreboot" ] && [ "$project" != "u-boot" ] && \
git_submodule_update "$tmpgit"
[ $# -gt 2 ] && git_submodule_update "$tmpgit"
[ "$_loc" = "${_loc%/*}" ] || x_ mkdir -p "${_loc%/*}"
mv "$tmpgit" "$_loc" || err "git_prep: !mv $tmpgit $_loc"
}
git_submodule_update()
{
[ ! -f "${1}/.gitmodules" ] || \
git -C "${1}" submodule update --init --checkout || \
err "git_sub ${1}: can't download submodules"; return 0
}
git_am_patches()
{
for _patch in "$2/"*; do
[ -L "$_patch" ] || [ ! -f "$_patch" ] || git -C "$1" am \
"$_patch" || err "git_am $1 $2: !git am $_patch"; continue
done
for _patches in "$2/"*; do
[ ! -L "$_patches" ] && [ -d "$_patches" ] && \
git_am_patches "$1" "$_patches"; continue
done
}
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