Add a script to push updates

#!/bin/sh

updates_dir=/data/lineageos_updates

if [ ! -f "$1" ]; then

   echo "Usage: $0 ZIP [UNVERIFIED]"

   echo "Push ZIP to $updates_dir and add it to Updater"

   echo

   echo "The name of ZIP is assumed to have lineage-VERSION-DATE-TYPE-* as format"

   echo "If UNVERIFIED is set, the app will verify the update"

   exit

fi

zip_path=`realpath "$1"`

if [ "`adb get-state 2>/dev/null`" != "device" ]; then

    echo "No device found. Waiting for one..."

    adb wait-for-device

fi

if ! adb root; then

    echo "Could not run adbd as root"

    exit 1

fi

zip_path_device=$updates_dir/`basename "$zip_path"`

if adb shell test -f "$zip_path_device"; then

    echo "$zip_path_device exists already"

    exit 1

fi

if [ -n "$2" ]; then

    status=1

else

    status=2

fi

# Assume lineage-VERSION-DATE-TYPE-*.zip

zip_name=`basename "$zip_path"`

id=`echo "$zip_name" | sha1sum | cut -d' ' -f1`

version=`echo "$zip_name" | cut -d'-' -f2`

type=`echo "$zip_name" | cut -d'-' -f4`

build_date=`echo "$zip_name" | cut -d'-' -f3 | cut -d'_' -f1`

timestamp=`date --date="$build_date 23:59:59" +%s`

size=`stat -c "%s" "$zip_path"`

adb push "$zip_path" "$zip_path_device"

adb shell chgrp cache "$zip_path_device"

adb shell chmod 664 "$zip_path_device"

# Kill the app before updating the database

adb shell "killall org.lineageos.updater 2>/dev/null"

adb shell "sqlite3 /data/data/org.lineageos.updater/databases/updates.db" \

    "\"INSERT INTO updates (status, path, download_id, timestamp, type, version, size)" \

    "  VALUES ($status, '$zip_path_device', '$id', $timestamp, '$type', '$version', $size)\""