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# SPDX-License-Identifier: GPL-3.0-or-later
# SPDX-FileCopyrightText: 2020,2021,2023,2024 Leah Rowe <leah@libreboot.org>
# SPDX-FileCopyrightText: 2022 Caleb La Grange <thonkpeasant@protonmail.com>
eval "$(setvars "" _target rev _xm loc url bkup_url depend tree_depend xtree \
mdir subrev subrepo subrepo_bkup)"
fetch_project_trees()
{
_target="${target}"
[ ! -d "src/${project}/${project}" ] && x_ mkdir -p "src/${project}" \
&& fetch_project_repo "${project}"
fetch_config
if [ -d "src/${project}/${tree}" ]; then
printf "download/%s %s (%s): exists\n" \
"${project}" "${tree}" "${_target}" 1>&2
return 0
fi
prepare_new_tree
}
fetch_config()
{
rm -f "${cfgsdir}/"*/seen || $err "fetch_config ${cfgsdir}: !rm seen"
eval "$(setvars "" xtree tree_depend)"
while true; do
eval "$(setvars "" rev tree)"
_xm="fetch_config ${project}/${_target}"
load_target_config "${_target}"
[ "${_target}" = "${tree}" ] && break
_target="${tree}"
done
[ -n "$tree_depend" ] && [ "$tree_depend" != "$tree" ] && \
x_ ./update trees -f "$project" "$tree_depend"; return 0
}
load_target_config()
{
[ -f "$cfgsdir/$1/target.cfg" ] || $err "$1: target.cfg missing"
[ -f "${cfgsdir}/${1}/seen" ] && \
$err "${_xm} check: infinite loop in tree definitions"
. "$cfgsdir/$1/target.cfg" || $err "load_target_config !$cfgsdir/$1"
touch "$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/$tree" "update"
}
fetch_project_repo()
{
eval "$(setvars "" xtree tree_depend)"
scan_config "${project}" "config/git"
[ -z "${loc+x}" ] && $err "fetch_project_repo $project: loc not set"
[ -z "${url+x}" ] && $err "fetch_project_repo $project: url not set"
clone_project
[ -z "${depend}" ] || for d in ${depend} ; do
x_ ./update trees -f ${d}
done
rm -Rf "${tmpgit}" || $err "fetch_repo: !rm -Rf ${tmpgit}"
}
clone_project()
{
loc="${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="$2"
[ -z "${rev+x}" ] && $err "git_prep $_loc: rev not set"
git -C "$tmpgit" reset --hard $rev || $err "git -C $_loc: !reset $rev"
git_am_patches "$tmpgit" "$_patchdir" || $err "!am $_loc $_patchdir"
if [ "$project" != "coreboot" ] || [ $# -gt 2 ]; then
prep_submodules "$_loc"
fi
[ "$project" = "coreboot" ] && [ -n "$xtree" ] && [ $# -gt 2 ] && \
[ "$xtree" != "$tree" ] && link_crossgcc "$_loc"
[ "$xbmk_release" = "y" ] && [ "$_loc" != "src/$project/$project" ] \
&& rmgit "$tmpgit"
move_repo "$_loc"
}
prep_submodules()
{
[ -f "$tmpgit/.gitmodules" ] || return 0
mdir="${PWD}/config/submodule/$project"
[ -n "$tree" ] && mdir="$mdir/$tree"
if [ -f "$mdir/module.list" ]; then
cat "$mdir/module.list" > "$tmpdir/modules" || \
$err "!cp $mdir/module.list $tmpdir/modules"
else
git -C "$tmpgit" submodule status | awk '{print $2}' > \
"$tmpdir/modules" || $err "$mdir: cannot list submodules"
fi
while read -r msrcdir; do
fetch_submodule "$msrcdir"
patch_submodule "$msrcdir"
done < "$tmpdir/modules"
# some build systems may download more (we want to control it)
rm -f "$tmpgit/.gitmodules" || $err "!rm .gitmodules as per: $mdir"
}
fetch_submodule()
{
mcfgdir="$mdir/${1##*/}"
eval "$(setvars "" subrev subrepo subrepo_bkup)"
[ ! -f "$mcfgdir/module.cfg" ] || . "$mcfgdir/module.cfg" || \
$err "! . $mcfgdir/module.cfg"
if [ -n "$subrepo" ] || [ -n "$subrepo_bkup" ]; then
[ -n "$subrev" ] || \
$err "$1 as per $mdir: subrev not defined"
rm -Rf "$tmpgit/$1" || $err "!rm '$mdir' '$1'"
for mod in "$subrepo" "$subrepo_bkup"; do
[ -z "$mod" ] && continue
git clone "$mod" "$tmpgit/$1" || rm -Rf "$tmpgit/$1" \
|| $err "!rm $mod $project $cfgdir $1"
done
[ -d "$tmpgit/$1" ] || $err "!clone $mod $project $mcfgdir $1"
else
git -C "$tmpgit" submodule update --init --checkout -- "$1" || \
$err "$mdir: !update $1"
fi
}
patch_submodule()
{
[ -z "$subrev" ] || \
git -C "$tmpgit/$1" reset --hard "$subrev" || \
$err "$mdir $1: cannot reset git revision"
git_am_patches "$tmpgit/$1" "$mdir/${1##*/}/patches"
}
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
}
link_crossgcc()
{
(
cd "$tmpgit/util" || $err "prep $1: !cd $tmpgit/util"
rm -Rf crossgcc || $err "prep $1: !rm xgcc"
ln -s "../../$xtree/util/crossgcc" crossgcc || $err "$1: !xgcc link"
) || $err "$1: !xgcc link"
}
move_repo()
{
[ "$1" = "${1%/*}" ] || x_ mkdir -p "${1%/*}"
mv "$tmpgit" "$1" || $err "git_prep: !mv $tmpgit $1"
[ -n "$xtree" ] && [ ! -d "src/coreboot/$xtree" ] && \
x_ ./update trees -f coreboot "$xtree"; return 0
}
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