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

   1 fwtool_pre_upgrade() {
   2         fwtool -q -i /dev/null "$1"
   3 }
   4
   5 fwtool_check_image() {
   6         [ $# -gt 1 ] && return 1
   7
   8         . /usr/share/libubox/jshn.sh
   9
  10         if ! fwtool -q -i /tmp/sysupgrade.meta "$1"; then
  11                 echo "Image metadata not found"
  12                 [ "$REQUIRE_IMAGE_METADATA" = 1 ] && return 1
  13                 return 0
  14         fi
  15
  16         json_load "$(cat /tmp/sysupgrade.meta)" || {
  17                 echo "Invalid image metadata"
  18                 return 1
  19         }
  20
  21         device="$(cat /tmp/sysinfo/board_name)"
  22
  23         json_select supported_devices || return 1
  24
  25         json_get_keys dev_keys
  26         for k in $dev_keys; do
  27                 json_get_var dev "$k"
  28                 [ "$dev" = "$device" ] && return 0
  29         done
  30
  31         echo "Device $device not supported by this image"
  32         echo -n "Supported devices:"
  33         for k in $dev_keys; do
  34                 json_get_var dev "$k"
  35                 echo -n " $dev"
  36         done
  37         echo
  38
  39         return 1
  40 }