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Creating the "docker save" tarball for "scratch" is pretty simple. I've also extrapolated the "docker build -t busybox ." logic into a separate "hack/make/.ensure-busybox" file so that it can eventually be reused easier. Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
21 lines
1.3 KiB
Bash
21 lines
1.3 KiB
Bash
#!/bin/bash
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if ! docker inspect scratch &> /dev/null; then
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# let's build a "docker save" tarball for "scratch"
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# see https://github.com/dotcloud/docker/pull/5262
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# and also https://github.com/dotcloud/docker/issues/4242
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mkdir -p /docker-scratch
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(
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cd /docker-scratch
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echo '{"scratch":{"latest":"511136ea3c5a64f264b78b5433614aec563103b4d4702f3ba7d4d2698e22c158"}}' > repositories
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mkdir -p 511136ea3c5a64f264b78b5433614aec563103b4d4702f3ba7d4d2698e22c158
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(
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cd 511136ea3c5a64f264b78b5433614aec563103b4d4702f3ba7d4d2698e22c158
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echo '{"id":"511136ea3c5a64f264b78b5433614aec563103b4d4702f3ba7d4d2698e22c158","comment":"Imported from -","created":"2013-06-13T14:03:50.821769-07:00","container_config":{"Hostname":"","Domainname":"","User":"","Memory":0,"MemorySwap":0,"CpuShares":0,"AttachStdin":false,"AttachStdout":false,"AttachStderr":false,"PortSpecs":null,"ExposedPorts":null,"Tty":false,"OpenStdin":false,"StdinOnce":false,"Env":null,"Cmd":null,"Image":"","Volumes":null,"WorkingDir":"","Entrypoint":null,"NetworkDisabled":false,"OnBuild":null},"docker_version":"0.4.0","architecture":"x86_64","Size":0}' > json
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echo '1.0' > VERSION
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tar -cf layer.tar --files-from /dev/null
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)
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)
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( set -x; tar -cf /docker-scratch.tar -C /docker-scratch . )
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( set -x; docker load --input /docker-scratch.tar )
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fi
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