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b5d9ff8cda
C version of #1006 Note that I switched all the C builds to use -O2 and that meant that the compiler found some more warnings so I also fixed these up. The possibly undefined ones were harmless, the aliasing one is now more correct. As these are small programs, the caching from `docker build` makes no real difference, and worst case compile time is much better. Signed-off-by: Justin Cormack <justin.cormack@docker.com>
30 lines
774 B
Makefile
30 lines
774 B
Makefile
.PHONY: tag push
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BASE=alpine:3.5
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IMAGE=c-compile
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default: push
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hash: Dockerfile compile.sh
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DOCKER_CONTENT_TRUST=1 docker pull $(BASE)
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tar cf - $^ | docker build --no-cache -t $(IMAGE):build -
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docker run --rm --entrypoint=/bin/sh $(IMAGE):build -c 'cat /lib/apk/db/installed /usr/bin/compile.sh | sha1sum' | sed 's/ .*//' > hash
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push: hash
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docker pull mobylinux/$(IMAGE):$(shell cat hash) || \
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(docker tag $(IMAGE):build mobylinux/$(IMAGE):$(shell cat hash) && \
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docker push mobylinux/$(IMAGE):$(shell cat hash))
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docker rmi $(IMAGE):build
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rm -f hash
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tag: hash
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docker pull mobylinux/$(IMAGE):$(shell cat hash) || \
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docker tag $(IMAGE):build mobylinux/$(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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