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# SPDX-License-Identifier: GPL-3.0-or-later
# Copyright (c) 2020-2021,2023-2025 Leah Rowe <leah@libreboot.org>
# Copyright (c) 2022 Caleb La Grange <thonkpeasant@protonmail.com>
eval "`setvars "" loc url bkup_url subfile subhash subrepo subrepo_bkup \
depend subfile_bkup repofail`"
tmpgit="$xbmklocal/gitclone"
tmpgitcache="$XBMK_CACHE/tmpgit"
fetch_targets()
{
e "src/$project/$tree" d && return 0
printf "Creating %s tree %s\n" "$project" "$tree"
git_prep "$url" "$bkup_url" "$xbmkpwd/$configdir/$tree/patches" \
"src/$project/$tree" with_submodules
nuke "$project/$tree" "$project/$tree"
}
fetch_project()
{
eval "`setvars "" xtree`"
eval "`setcfg "config/git/$project/pkg.cfg"`"
chkvars url
[ -n "$xtree" ] && x_ ./mk -f coreboot "$xtree"
[ -z "$depend" ] || for d in $depend ; do
printf "'%s' needs '%s'; grabbing '%s'\n" "$project" "$d" "$d"
x_ ./mk -f $d
done
clone_project
for x in config/git/*; do
[ -d "$x" ] && nuke "${x##*/}" "src/${x##*/}" 2>/dev/null; :
done; :
}
clone_project()
{
loc="$XBMK_CACHE/clone/$project" && singletree "$project" && \
loc="src/$project"
printf "Downloading project '%s' to '%s'\n" "$project" "$loc"
e "$loc" d missing && remkdir "${tmpgit%/*}" && git_prep \
"$url" "$bkup_url" "$xbmkpwd/config/$project/patches" "$loc"; :
}
git_prep()
{
_patchdir="$3"
_loc="$4" # $1 and $2 are gitrepo and gitrepo_backup
chkvars rev
xbmkget "$1" "$2" "$tmpgit" "$rev" git "$_patchdir"
if singletree "$project" || [ $# -gt 4 ]; then
dx_ fetch_submodule "$mdir/module.list"
fi
[ "$_loc" = "${_loc%/*}" ] || x_ mkdir -p "${_loc%/*}"
x_ mv "$tmpgit" "$_loc"
}
fetch_submodule()
{
mcfgdir="$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"
[ "$st" = "file" ] && xbmkget "$subfile" "$subfile_bkup" \
"$tmpgit/$1" "$subhash" && return 0
x_ rm -Rf "$tmpgit/$1"
xbmkget "$subrepo" "$subrepo_bkup" "$tmpgit/$1" "$subhash" git \
"$mdir/${1##*/}/patches"
}
# can grab from the internet, or copy locally.
# if copying locally, it can only copy a file.
xbmkget()
{
_dlop="curl" && [ $# -gt 4 ] && _dlop="$5"
[ "$_dlop" = "curl" ] || [ "$_dlop" = "copy" ] || \
[ "$_dlop" = "git" ] || err "$1 $2 $3 $4: Bad dlop type: '$_dlop'"
for url in "$1" "$2"; do
[ -n "$url" ] && try_file "$url" "$_dlop" "$@" && return 0
done && err "$1 $2 $3 $4: not downloaded"; :
}
try_file()
{
cached="file/$6" && [ "$2" = "git" ] && cached="clone/${3##*/}" && \
cached="${cached%.git}"
cached="$XBMK_CACHE/$cached"
x_ mkdir -p "${5%/*}" "${cached%/*}"
echk="d" && dl_fail="n" && [ "$2" != "git" ] && echk="f" && \
bad_checksum "$6" "$cached" 2>/dev/null && dl_fail="y"
[ "$dl_fail" = "n" ] && e "$5" $echk && return 0
[ "$2" != "git" ] && x_ rm -f "$cached"
try_$2 "$cached" "$@" || return 1
if [ "$2" = "git" ]; then
tmpclone "$cached" "$5" "$6" "$8" || return 1
else
bad_checksum "$6" "$cached" && return 1
[ "$cached" != "$5" ] && x_ cp "$cached" "$5"
fi
}
try_curl()
{
_ua="Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Firefox/91.0"
curl --location --retry 3 -A "$_ua" "$2" -o "$1" || \
wget --tries 3 -U "$_ua" "$2" -O "$1" || return 1; :
}
try_copy()
{
[ -L "$2" ] && printf "dl %s %s %s %s: '%s' is a symlink\n" \
"$4" "$5" "$6" "$7" "$2" 1>&2 && return 1
[ ! -f "$2" ] && printf "dl %s %s %s %s: '%s' not a file\n" \
"$4" "$5" "$6" "$7" "$2" 1>&2 && return 1
cp "$2" "$1" || return 1; :
}
try_git()
{
gitdest="`findpath "$1"`" || err "Can't get readpath for '$1'"
x_ rm -Rf "$tmpgitcache"
[ -d "$gitdest" ] || git clone "$2" "$tmpgitcache" || return 1
[ -d "$gitdest" ] || x_ mkdir -p "${gitdest##*/}"
[ -d "$gitdest" ] || x_ mv "$tmpgitcache" "$gitdest"
git -C "$gitdest" remote add main "$4" 2>/dev/null || :
git -C "$gitdest" remote add backup "$5" 2>/dev/null || :
git -C "$gitdest" fetch --all || :
git -C "$gitdest" pull --all || :
}
bad_checksum()
{
[ "$(sha512sum "$2" | awk '{print $1}')" != "$1" ] || return 1
printf "Bad checksum for file: %s\n" "$2" 1>&2; rm -f "$2" || :; :
}
tmpclone()
{
[ -d "$2" ] && return 0
printf "Creating git clone '%s' from '%s'\n" "$2" "$1"
( x_ git clone "$1" "$2" ) || return 1
( x_ git -C "$2" reset --hard "$3" ) || return 1
( fx_ "eval x_ git -C \"$2\" am" find "$4" -type f ) || return 1; :
}
nuke()
{
e "config/${1%/}/nuke.list" f missing || while read -r nukefile; do
rmf="src/${2%/}/$nukefile" && [ -L "$rmf" ] && continue
e "$rmf" e missing || x_ rm -Rf "$rmf"
done < "config/${1%/}/nuke.list"; :
}
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