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Add manifest type conversion to skopeo with dir transport

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User can select from 3 manifest types: oci, v2s1, or v2s2
skopeo copy defaults to oci manifest if the --format flag is not set
Adds option to compress blobs when saving to the directory using the dir transport
e.g skopeo copy --format v2s1 --compress-blobs docker-archive:alp.tar dir:my-directory

Signed-off-by: Urvashi Mohnani <umohnani@redhat.com>
This commit is contained in:
Urvashi Mohnani
2017-11-07 15:57:17 -05:00
parent 5b14746045
commit 409dce8a89
6 changed files with 81 additions and 20 deletions
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docs/skopeo.1.md
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@@ -60,12 +60,16 @@ Uses the system's trust policy to validate images, rejects images not trusted by
_destination-image_ use the "image name" format described above
**--format, -f** _manifest-type_ Manifest type (oci, v2s1, or v2s2) to use when saving image to directory using the 'dir:' transport (default is manifest type of source)
**--remove-signatures** do not copy signatures, if any, from _source-image_. Necessary when copying a signed image to a destination which does not support signatures.
**--sign-by=**_key-id_ add a signature using that key ID for an image name corresponding to _destination-image_
**--src-creds** _username[:password]_ for accessing the source registry
**--dest-compress** _bool-value_ Compress tarball image layers when saving to directory using the 'dir' transport. (default is same compression type as source)
**--dest-creds** _username[:password]_ for accessing the destination registry
**--src-cert-dir** _path_ Use certificates at _path_ (*.crt, *.cert, *.key) to connect to the source registry