mount.sh

#!/bin/bash

. ./functions.sh

readonly=1
listonly=0

while [ "$#" -gt 0 ]; do
  case "$1" in
  -w|--write)
    shift 1
    readonly=0
    ;;
  -l|--list)
    shift 1
    listonly=1
    ;;
  --)
    shift 1
    break
    ;;
  -*)
    log_fatal "Unknown option: $1"
    ;;
  *)
    break
    ;;
  esac
done

mount_options=""
if [ "$readonly" -ne 0 ]
then
  mount_options="$mount_options,ro"
fi
mount_options="${mount_options#,}"

if [ ! -f "${unpacked_img_dir}"/rootfs.img ]; then
  log_fatal "You need to unpack the original firmware first ($unpacked_img_dir/rootfs.img seems to be missing)."
fi

mkdir -p engineos media/az01-internal
chmod 777 media/az01-internal
# NOTE - potential backfiring possible if recursively unmounting /dev/
on_exit() {
  while ! umount engineos/dev; do
    sleep 1
  done
  while ! umount -R engineos; do
    sleep 1
  done
}
trap on_exit EXIT
mount -o "$mount_options" "${unpacked_img_dir}"/rootfs.img engineos
mount --bind /dev engineos/dev
mount --bind media engineos/media
mount -t proc proc engineos/proc
mount -t tmpfs run engineos/run
mount -t sysfs sys engineos/sys
mount -t tmpfs sys_firmware engineos/sys/firmware
mkdir engineos/sys/firmware/devicetree
mount --bind -o ro devicetrees/JC11 engineos/sys/firmware/devicetree
mount -t tmpfs tmp engineos/tmp

if [ "$listonly" -ne 0 ]; then
  (cd engineos && find -xdev)
  exit
fi

if [ "$#" -lt 1 ]; then
  set -- sh -i
fi
chroot engineos sh -c "export LC_ALL=C; unset LANGUAGE; exec \"\$@\"" -- "$@"