#!/bin/sh
set -e

dir="${1:-.}"

if [ ! -f module_installer.sh ]; then
    wget -c https://raw.githubusercontent.com/topjohnwu/Magisk/master/scripts/module_installer.sh
fi

mkdir -p "$dir/META-INF/com/google/android"
cat module_installer.sh > "$dir/META-INF/com/google/android/update-binary"
echo "#MAGISK" > "$dir/META-INF/com/google/android/updater-script"
rm -f "$dir.zip"
( cd "$dir" ; zip -9r "../$dir.zip" . )