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<updated>2026-02-09T03:32:52+00:00</updated>
<entry>
<title>vcontainer: add multi-arch OCI support</title>
<updated>2026-02-09T03:32:52+00:00</updated>
<author>
<name>Bruce Ashfield</name>
<email>bruce.ashfield@gmail.com</email>
</author>
<published>2026-01-15T21:50:38+00:00</published>
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<content type='text'>
Add functions to detect and handle multi-architecture OCI Image Index
format with automatic platform selection during import. Also add
oci-multiarch.bbclass for build-time multi-arch OCI creation.

Runtime support (vcontainer-common.sh):
- is_oci_image_index() - detect multi-arch OCI images
- get_oci_platforms() - list available platforms
- select_platform_manifest() - select manifest for target architecture
- extract_platform_oci() - extract single platform to new OCI dir
- normalize_arch_to_oci/from_oci() - architecture name mapping
- Update vimport to auto-select platform from multi-arch images

Build-time support (oci-multiarch.bbclass):
- Create OCI Image Index from multiconfig builds
- Collect images from vruntime-aarch64, vruntime-x86-64
- Combine blobs and create unified manifest list

Signed-off-by: Bruce Ashfield &lt;bruce.ashfield@gmail.com&gt;
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