#!/bin/sh

first() {
  echo "$1"
}

mountpoint_device() {
  grep "$1" /etc/fstab | awk '{print $1}'
}

check_repair_fs() {
  DEVICE="$1"
  MOUNTPOINT="$2"
  NAME="$3"

  if ! [ -e "$DEVICE" ]; then
    return 0
  fi

  mount -o remount,ro "$DEVICE"
  fsck.vfat -y "$DEVICE"
  if [ $? -le 3 ]; then
    mount -o remount,rw "$DEVICE"
  else
    return $?
  fi
}

# FIXME: a bit more flexible

if ! check_repair_fs $(first /dev/mmcblk*) /media/sd "SD card"; then
  emessage "Filesystem on SD card is damaged. Please reformat or repair it."
fi

if ! check_repair_fs $(mountpoint_device /mnt/storage) /mnt/storage "Internal storage"; then
  emessage "Internal storage filesystem is damaged. Please attach device to computer and reformat or repair it."&
  usbwatcher&
  while true; do sleep 10000; done
fi