.ensure-emptyfs 1.3 KB

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  1. #!/usr/bin/env bash
  2. set -e
  3. if ! docker inspect -t image emptyfs &> /dev/null; then
  4. # let's build a "docker save" tarball for "emptyfs"
  5. # see https://github.com/docker/docker/pull/5262
  6. # and also https://github.com/docker/docker/issues/4242
  7. dir="$DEST/emptyfs"
  8. mkdir -p "$dir"
  9. (
  10. cd "$dir"
  11. echo '{"emptyfs":{"latest":"511136ea3c5a64f264b78b5433614aec563103b4d4702f3ba7d4d2698e22c158"}}' > repositories
  12. mkdir -p 511136ea3c5a64f264b78b5433614aec563103b4d4702f3ba7d4d2698e22c158
  13. (
  14. cd 511136ea3c5a64f264b78b5433614aec563103b4d4702f3ba7d4d2698e22c158
  15. echo '{"id":"511136ea3c5a64f264b78b5433614aec563103b4d4702f3ba7d4d2698e22c158","comment":"Imported from -","created":"2013-06-13T14:03:50.821769-07:00","container_config":{"Hostname":"","Domainname":"","User":"","Memory":0,"MemorySwap":0,"CpuShares":0,"AttachStdin":false,"AttachStdout":false,"AttachStderr":false,"PortSpecs":null,"ExposedPorts":null,"Tty":false,"OpenStdin":false,"StdinOnce":false,"Env":null,"Cmd":null,"Image":"","Volumes":null,"WorkingDir":"","Entrypoint":null,"NetworkDisabled":false,"OnBuild":null},"docker_version":"0.4.0","architecture":"x86_64","Size":0}' > json
  16. echo '1.0' > VERSION
  17. tar -cf layer.tar --files-from /dev/null
  18. )
  19. )
  20. ( set -x; tar -cC "$dir" . | docker load )
  21. rm -rf "$dir"
  22. fi