44 lines
		
	
	
		
			913 B
		
	
	
	
		
			Bash
		
	
	
	
	
	
			
		
		
	
	
			44 lines
		
	
	
		
			913 B
		
	
	
	
		
			Bash
		
	
	
	
	
	
| fwtool_pre_upgrade() {
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| 	fwtool -q -i /dev/null "$1"
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| }
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| 
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| fwtool_check_image() {
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| 	[ $# -gt 1 ] && return 1
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| 
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| 	. /usr/share/libubox/jshn.sh
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| 
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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 -a "$FORCE" != 1 ] && {
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| 			echo "Use sysupgrade -F to override this check when downgrading or flashing to vendor firmware"
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| 		}
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| 		[ "$REQUIRE_IMAGE_METADATA" = 1 ] && return 1
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| 		return 0
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| 	fi
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| 
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| 	json_load "$(cat /tmp/sysupgrade.meta)" || {
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| 		echo "Invalid image metadata"
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| 		return 1
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| 	}
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| 
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| 	device="$(cat /tmp/sysinfo/board_name)"
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| 
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| 	json_select supported_devices || return 1
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| 
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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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| 
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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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| 
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| 	return 1
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| }
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