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28 lines
700 B
Makefile
28 lines
700 B
Makefile
.PHONY: tag push
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IMAGE=mkimage-gcp
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default: push
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hash: Dockerfile make-gcp
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tar cf - $^ | docker build --no-cache -t $(IMAGE):build -
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docker run --entrypoint sh --rm $(IMAGE):build -c "(cat $^; apt list --installed 2>/dev/null) | sha1sum" | sed 's/ .*//' > hash
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push: hash
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docker pull linuxkit/$(IMAGE):$(shell cat hash) || \
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(docker tag $(IMAGE):build linuxkit/$(IMAGE):$(shell cat hash) && \
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docker push linuxkit/$(IMAGE):$(shell cat hash))
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docker rmi $(IMAGE):build
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rm -f hash
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tag: hash
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docker pull linuxkit/$(IMAGE):$(shell cat hash) || \
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docker tag $(IMAGE):build linuxkit/$(IMAGE):$(shell cat hash)
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docker rmi $(IMAGE):build
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rm -f hash
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clean:
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rm -f hash
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.DELETE_ON_ERROR:
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