docker/hack/make/.ensure-emptyfs

24 строки
1.3 KiB
Bash

#!/usr/bin/env bash
set -e
if ! docker inspect -t image emptyfs &> /dev/null; then
# let's build a "docker save" tarball for "emptyfs"
# see https://github.com/docker/docker/pull/5262
# and also https://github.com/docker/docker/issues/4242
dir="$DEST/emptyfs"
mkdir -p "$dir"
(
cd "$dir"
echo '{"emptyfs":{"latest":"511136ea3c5a64f264b78b5433614aec563103b4d4702f3ba7d4d2698e22c158"}}' > repositories
mkdir -p 511136ea3c5a64f264b78b5433614aec563103b4d4702f3ba7d4d2698e22c158
(
cd 511136ea3c5a64f264b78b5433614aec563103b4d4702f3ba7d4d2698e22c158
echo '{"id":"511136ea3c5a64f264b78b5433614aec563103b4d4702f3ba7d4d2698e22c158","comment":"Imported from -","created":"2013-06-13T14:03:50.821769-07:00","container_config":{"Hostname":"","Domainname":"","User":"","Memory":0,"MemorySwap":0,"CpuShares":0,"AttachStdin":false,"AttachStdout":false,"AttachStderr":false,"PortSpecs":null,"ExposedPorts":null,"Tty":false,"OpenStdin":false,"StdinOnce":false,"Env":null,"Cmd":null,"Image":"","Volumes":null,"WorkingDir":"","Entrypoint":null,"NetworkDisabled":false,"OnBuild":null},"docker_version":"0.4.0","architecture":"x86_64","Size":0}' > json
echo '1.0' > VERSION
tar -cf layer.tar --files-from /dev/null
)
)
( set -x; tar -cC "$dir" . | docker load )
rm -rf "$dir"
fi