package/base-files/files/lib/upgrade/fwtool.sh

   1 fwtool_check_image() {
   2         [ $# -gt 1 ] && return 1
   3
   4         . /usr/share/libubox/jshn.sh
   5
   6         if ! fwtool -q -i /tmp/sysupgrade.meta "$1"; then
   7                 echo "Image metadata not found"
   8                 [ "$REQUIRE_IMAGE_METADATA" = 1 -a "$FORCE" != 1 ] && {
   9                         echo "Use sysupgrade -F to override this check when downgrading or flashing to vendor firmware"
  10                 }
  11                 [ "$REQUIRE_IMAGE_METADATA" = 1 ] && return 1
  12                 return 0
  13         fi
  14
  15         json_load "$(cat /tmp/sysupgrade.meta)" || {
  16                 echo "Invalid image metadata"
  17                 return 1
  18         }
  19
  20         device="$(cat /tmp/sysinfo/board_name)"
  21
  22         json_select supported_devices || return 1
  23
  24         json_get_keys dev_keys
  25         for k in $dev_keys; do
  26                 json_get_var dev "$k"
  27                 [ "$dev" = "$device" ] && return 0
  28         done
  29
  30         echo "Device $device not supported by this image"
  31         echo -n "Supported devices:"
  32         for k in $dev_keys; do
  33                 json_get_var dev "$k"
  34                 echo -n " $dev"
  35         done
  36         echo
  37
  38         return 1
  39 }