cc853810a4
Use fwtool to extract it, only require metadata to be present if the platform sysupgrade script sets REQUIRE_IMAGE_METADATA=1 Image metadata is in JSON format and contains a list of supported devices, along with version information that could be displayed by a UI later before the actual upgrade happens. Signed-off-by: Felix Fietkau <nbd@nbd.name>
40 lines
752 B
Bash
40 lines
752 B
Bash
fwtool_pre_upgrade() {
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fwtool -q -i /dev/null "$1"
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}
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fwtool_check_image() {
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[ $# -gt 1 ] && return 1
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. /usr/share/libubox/jshn.sh
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if ! fwtool -q -i /tmp/sysupgrade.meta "$1"; then
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echo "Image metadata not found"
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[ "$REQUIRE_IMAGE_METADATA" = 1 ] && return 1
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return 0
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fi
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json_load "$(cat /tmp/sysupgrade.meta)" || {
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echo "Invalid image metadata"
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return 1
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}
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device="$(cat /tmp/sysinfo/board_name)"
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json_select supported_devices || return 1
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json_get_keys dev_keys
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for k in $dev_keys; do
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json_get_var dev "$k"
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[ "$dev" = "$device" ] && return 0
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done
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echo "Device $device not supported by this image"
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echo -n "Supported devices:"
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for k in $dev_keys; do
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json_get_var dev "$k"
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echo -n " $dev"
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done
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echo
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return 1
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}
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