DPATH := $($(DOCKER_PTF)_PATH)
DEP_FILES := $(SONIC_COMMON_FILES_LIST) platform/vs/docker-ptf.mk platform/vs/docker-ptf.dep
DEP_FILES += $(SONIC_COMMON_BASE_FILES_LIST)
DEP_FILES += $(shell git ls-files $(DPATH))
$(DOCKER_PTF)_CACHE_MODE := GIT_CONTENT_SHA
$(DOCKER_PTF)_DEP_FLAGS := $(SONIC_COMMON_FLAGS_LIST)
$(DOCKER_PTF)_DEP_FILES := $(DEP_FILES)