build fresh os image with a new kvmd

os/Makefile

@@ -11,6 +11,7 @@ _pikvm: $(_BUILD_DIR)
 	rm -rf $(_BUILD_DIR)/builder/scripts/pikvm
 	cp -a platforms/$(PIKVM_PLATFORM) $(_BUILD_DIR)/stages/pikvm
 	cd $(_BUILD_DIR) && make binfmt && make _rpi \
+		BUILD_OPTS="--build-arg KVMD_VERSION=`bash -c '. ../kvmd/PKGBUILD; echo $pkgver'`" \
 		PROJECT=pi-kvm \
 		PLATFORM=rpi-2 \
 		STAGES="__init__ os ssh watchdog ro pikvm __cleanup__" \

os/platforms/v1/Dockerfile.part

@@ -1,3 +1,4 @@
+ARG KVMD_VERSION
 RUN pkg-install \
 	kvmd \
 	mjpg-streamer-pikvm \