% OCI-IMAGE-TOOL-UNPACK(1) OCI Image Tool User Manuals % OCI Community % JULY 2016
oci-image-tool unpack - Unpack an image or image source layout
oci-image-tool unpack [src] [dest] [OPTIONS]
oci-image-tool unpack
validates an application/vnd.oci.image.manifest.v1+json and unpacks its layered filesystem to dest
.
--help Print usage statement
--ref=[]
Specify the search criteria for the validated reference, format is A=B.
Reference should point to a manifest or index.
e.g. --ref name=v1.0 --ref platform.os=latest
Only support name
, platform.os
and digest
three cases.
--type="" Type of the file to unpack. If unset, oci-image-tool will try to auto-detect the type. One of "imageLayout,image,imageZip"
--platform="" Specify the os and architecture of the manifest, format is OS:Architecture. e.g. --platform linux:amd64 Only applicable if reftype is index.
$ skopeo copy docker://busybox oci:busybox-oci:latest
$ mkdir busybox-bundle
$ oci-image-tool unpack --ref name=latest busybox-oci busybox-bundle
$ tree busybox-bundle
busybox-bundle
├── bin
│ ├── [
│ ├── [[
│ ├── acpid
│ ├── addgroup
│ ├── add-shell
│ ├── adduser
│ ├── adjtimex
│ ├── ar
│ ├── arp
│ ├── arping
│ ├── ash
[...]
skopeo(1)
Sept 2016, Originally compiled by Antonio Murdaca (runcom at redhat dot com)