+RIFT_SHELL_EXE = $(TOP_ROOT_PATH)/rift-shell -b $(RIFT_BUILD) -i $(RIFT_INSTALL) -a $(RIFT_ARTIFACTS) --standalone-submodule $(TOP_SRC_PATH) --
+RELEASE_NUMBER = $(shell git describe | cut -d. -f1 | sed -e 's/^v//')
+BUILD_NUMBER = $(shell git describe | cut -d. -f2-)