#!/bin/sh

# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (C) 2009-2014 Stephan Raue (stephan@openelec.tv)

StartProgressLog() {
  if [ "$1" = "spinner" ]; then
    echo "*** $3" >>$LOG
  fi
  StartProgress "$@"
}

if [ -e /storage/.please_resize_me ] ; then
  . /usr/lib/libreelec/functions

  hidecursor

  mount -o remount,rw /flash
  LOG=/flash/fs-resize.log
  date -Iseconds >>$LOG

  # this sh** was never intended to be used
  # on an already installed and running system
  if [ -d /storage/.kodi -o -d /storage/.config -o -d /storage/.cache ] ; then
    rm -f /storage/.please_resize_me
    sync
    echo "Resizing is not permitted - the system has already been initialised." | tee -a $LOG
    mount -o remount,ro /flash
    StartProgress countdown "Rebooting in 15s... " 15 "NOW"
    reboot -f
  fi

  # get the disk. /storage on 2nd partition
  echo $(grep "/storage " /proc/mounts) >>$LOG
  PART=$(grep "/storage " /proc/mounts | cut -d" " -f1 | grep '2$')

  # get disk: /dev/sdx2 -> /dev/sdx, /dev/mmcblkxp2 -> /dev/mmcblkx
  case $PART in
    "/dev/mmcblk"*|"/dev/nvme"*)
      DISK=$(echo $PART | sed s/p2$//g)
      ;;
    *)
      DISK=$(echo $PART | sed s/2$//g)
      ;;
  esac

  rm -f /storage/.please_resize_me
  sync

  LABEL=$(blkid -o value -s LABEL $PART)
  UUID=$(blkid -o value -s UUID $PART)

  echo "DISK: $DISK  PART: $PART  LABEL: $LABEL  UUID: $UUID" >>$LOG

  # just in case
  if [ ! -z "$DISK" -a ! -z "$PART" -a ! -z "$UUID" ] ; then
    umount $PART

    echo "PARTITION RESIZING IN PROGRESS"
    echo ""
    echo "Please do not reboot or turn off your @DISTRONAME@ device!"
    echo ""

    StartProgressLog spinner "Resizing partition...   " "parted -s -f -m $DISK resizepart 2 100% >>$LOG 2>&1"
    StartProgressLog spinner "Creating file system... " "mke2fs -F -q -t ext4 -m 0 -L \"$LABEL\" -U \"$UUID\" $PART >>$LOG 2>&1"
    StartProgressLog spinner "Checking file system... " "e2fsck -f -p $PART >>$LOG 2>&1"
    StartProgress countdown "Rebooting in 15s...     " 15 "NOW"
  else
    echo "Partition was not detected - resizing aborted."
    StartProgress countdown "Rebooting in 15s... " 15 "NOW"
  fi
  mount -o remount,ro /flash
fi
reboot -f &>/dev/null
