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 -a "$FORCE" != 1 ] && {
  13                         echo "Use sysupgrade -F to override this check when downgrading or flashing to vendor firmware"
  14                 }
  15                 [ "$REQUIRE_IMAGE_METADATA" = 1 ] && return 1
  16                 return 0
  17         fi
  18
  19         json_load "$(cat /tmp/sysupgrade.meta)" || {
  20                 echo "Invalid image metadata"
  21                 return 1
  22         }
  23
  24         device="$(cat /tmp/sysinfo/board_name)"
  25
  26         json_select supported_devices || return 1
  27
  28         json_get_keys dev_keys
  29         for k in $dev_keys; do
  30                 json_get_var dev "$k"
  31                 [ "$dev" = "$device" ] && return 0
  32         done
  33
  34         echo "Device $device not supported by this image"
  35         echo -n "Supported devices:"
  36         for k in $dev_keys; do
  37                 json_get_var dev "$k"
  38                 echo -n " $dev"
  39         done
  40         echo
  41
  42         return 1
  43 }