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mirror of https://github.com/topjohnwu/Magisk synced 2024-11-13 20:54:12 +01:00
Magisk/scripts/update_binary.sh
2018-07-10 02:44:58 +08:00

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# EX_ARM, EX_X86, BB_ARM, and BB_X86 should be generated in build.py
extract_bb() {
EXBIN=$BBDIR/b64xz; BBBIN=$BBDIR/busybox
touch $EXBIN; touch $BBBIN; chmod 755 $EXBIN $BBBIN
echo -ne $EX_ARM > $EXBIN
if $EXBIN --test 2>/dev/null; then
echo $BB_ARM | $EXBIN > $BBBIN
else
echo -ne $EX_X86 > $EXBIN
echo $BB_X86 | $EXBIN > $BBBIN
fi
rm $EXBIN
}
setup_bb() {
BBDIR=$TMPDIR/bin; mkdir -p $BBDIR 2>/dev/null
extract_bb
$BBBIN --install -s $BBDIR
export PATH=$BBDIR:$PATH
}
case "$1" in
"extract")
[ -z "$2" ] && BBDIR=. || BBDIR="$2"
extract_bb
;;
"indep")
TMPDIR=.; setup_bb; shift
exec /system/bin/sh "$@"
;;
*)
export TMPDIR=/dev/tmp; rm -rf $TMPDIR 2>/dev/null; setup_bb
export INSTALLER=$TMPDIR/install; mkdir -p $INSTALLER; unzip -o "$3" -d $INSTALLER >&2
exec sh $INSTALLER/META-INF/com/google/android/updater-script "$@"
;;
esac