docker: Clean dangling tarball files
When a container fails, it leaves a dangling tarball which name is based on a timestamp. Further uses of make won't clean those files, neither calling the 'docker-clean' target. Use the .DELETE_ON_ERROR built-in target to let make remove those temporary tarballs in case of failure. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20180818030337.22271-1-f4bug@amsat.org> Signed-off-by: Fam Zheng <famz@redhat.com>
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@ -25,6 +25,7 @@ IMAGES ?= %
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CUR_TIME := $(shell date +%Y-%m-%d-%H.%M.%S.$$$$)
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DOCKER_SRC_COPY := $(BUILD_DIR)/docker-src.$(CUR_TIME)
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.DELETE_ON_ERROR: $(DOCKER_SRC_COPY)
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$(DOCKER_SRC_COPY):
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@mkdir $@
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$(if $(SRC_ARCHIVE), \
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