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Add an option to allow copying image indexes alone

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The new --multi-arch option allows the user to select between copying the
image associated with the system platform, all images in the index, or
just the index itself without attempting to copy the images.

Signed-off-by: James Hewitt <james.hewitt@uk.ibm.com>
This commit is contained in:
James Hewitt
2021-11-26 11:51:07 +00:00
parent 1d24e657fa
commit d94015466f
4 changed files with 72 additions and 12 deletions
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docs/skopeo-copy.1.md
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@@ -66,6 +66,17 @@ MANIFEST TYPE (oci, v2s1, or v2s2) to use in the destination (default is manifes
Print usage statement
**--multi-arch**
Control what is copied if _source-image_ refers to a multi-architecture image. Default is system.
Options:
- system: Copy only the image that matches the system architecture
- all: Copy the full multi-architecture image
- index-only: Copy only the index
The index-only option usually fails unless the referenced per-architecture images are already present in the destination, or the target registry supports sparse indexes.
**--quiet**, **-q**
Suppress output information when copying images.