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# SPDX-License-Identifier: GPL-3.0-or-later
# Copyright (c) 2020-2021,2023-2024 Leah Rowe <leah@libreboot.org>
# Copyright (c) 2022 Caleb La Grange <thonkpeasant@protonmail.com>
eval `setvars "" _target rev _xm loc url bkup_url depend tree_depend xtree \
mdir subhash subrepo subrepo_bkup subfile subfile_bkup`
fetch_project_trees()
{
_target="$target"
[ ! -d "src/$project/$project" ] && x_ mkdir -p "src/$project" \
&& fetch_project_repo "$project"
fetch_config
e "src/$project/$tree" d || prepare_new_tree; return 0
}
fetch_config()
{
rm -f "$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/seen" ] && $err "$_xm cfg: infinite loop in trees"
eval `setcfg "$cfgsdir/$1/target.cfg"`
touch "$cfgsdir/$1/seen" || $err "load_config $cfgsdir/$1: !mk seen"
}
prepare_new_tree()
{
printf "Creating %s tree %s (%s)\n" "$project" "$tree" "$_target"
git_prep "src/$project/$project" "src/$project/$project" \
"$PWD/$cfgsdir/$tree/patches" "src/$project/$tree" "update"
nuke "$project/$tree" "$project/$tree"
}
fetch_project_repo()
{
eval `setvars "" xtree tree_depend`
eval `setcfg "config/git/$project/pkg.cfg"`
chkvars url
[ -n "$xtree" ] && [ ! -d "src/coreboot/$xtree" ] && \
x_ ./update trees -f coreboot "$xtree"
[ -z "$depend" ] || for d in $depend ; do
printf "'%s' needs '%s'; grabbing '%s'\n" "$project" "$d" "$d"
x_ ./update trees -f $d
done
clone_project
for x in config/git/*; do
[ -d "$x" ] && nuke "${x##*/}" "src/${x##*/}" 2>/dev/null
done; return 0
}
clone_project()
{
loc="src/$project"
singletree "$project" || loc="src/$project/$project"
printf "Downloading project '%s' to '%s'\n" "$project" "$loc"
e "$loc" d && return 0
remkdir "${tmpgit%/*}"
git_prep "$url" "$bkup_url" "$PWD/config/$project/patches" "$loc"
}
git_prep()
{
_patchdir="$3" # $1 and $2 are gitrepo and gitrepo_backup
_loc="$4"
chkvars rev
tmpclone "$1" "$2" "$tmpgit" "$rev" "$_patchdir"
if singletree "$project" || [ $# -gt 4 ]; then
prep_submodules "$_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()
{
mdir="$PWD/config/submodule/$project"
[ -n "$tree" ] && mdir="$mdir/$tree"
[ -f "$mdir/module.list" ] && while read -r msrcdir; do
fetch_submodule "$msrcdir"
done < "$mdir/module.list"; return 0
}
fetch_submodule()
{
mcfgdir="$mdir/${1##*/}"
eval `setvars "" subhash subrepo subrepo_bkup subfile subfile_bkup st`
[ ! -f "$mcfgdir/module.cfg" ] || . "$mcfgdir/module.cfg" || \
$err "! . $mcfgdir/module.cfg"
for xt in repo file; do
_seval="if [ -n \"\$sub$xt\" ] || [ -n \"\$sub${xt}_bkup\" ]"
eval "$_seval; then st=\"\$st \$xt\"; fi"
done
st="${st# }" && [ "$st" = "repo file" ] && $err "$mdir: repo+file"
[ -z "$st" ] && return 0 # subrepo/subfile not defined
chkvars "sub${st}" "sub${st}_bkup" "subhash"
[ "$st" = "file" ] && download "$subfile" "$subfile_bkup" \
"$tmpgit/$1" "$subhash" && return 0
rm -Rf "$tmpgit/$1" || $err "!rm '$mdir' '$1'"
tmpclone "$subrepo" "$subrepo_bkup" "$tmpgit/$1" "$subhash" \
"$mdir/${1##*/}/patches"
}
tmpclone()
{
git clone $1 "$3" || git clone $2 "$3" || $err "!clone $1 $2 $3 $4 $5"
git -C "$3" reset --hard "$4" || $err "!reset $1 $2 $3 $4 $5"
git_am_patches "$3" "$5"
}
git_am_patches()
{
for _patch in "$2/"*; do
[ -L "$_patch" ] || [ ! -f "$_patch" ] || git -C "$1" am \
"$_patch" || $err "$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()
{
(
x_ cd "$tmpgit/util" && x_ rm -Rf crossgcc
ln -s "../../$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 $1"
}
# can delete from multi- and single-tree projects.
# called from script/trees when downloading sources.
nuke()
{
e "config/${1%/}/nuke.list" f missing || while read -r nukefile; do
rmf="src/${2%/}/$nukefile" && [ -L "$rmf" ] && continue
e "$rmf" e missing || rm -Rf "$rmf" || $err "!rm $rmf, ${2%/}"
done < "config/${1%/}/nuke.list"; return 0
}
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