cli: Add tag-aware upgrade operations#2094
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cgwalters merged 1 commit intobootc-dev:mainfrom Mar 30, 2026
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This pull request introduces new bootc upgrade CLI options: --tag to specify a target image tag for an upgrade, and --list-tags to display available tags for the currently booted image's repository. It includes new helper functions derive_image_with_tag and list_tags_for_current_image to support this functionality, along with corresponding unit tests and documentation updates. A review comment suggests refactoring duplicated logic within the upgrade function for retrieving the current image and handling cases where it's not defined, as well as making error messages more specific.
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Implements bootc upgrade --tag <TAG> to upgrade to a different tag of the current image without typing the full registry path. Implementation: - Added ImageReference::with_tag() method in spec.rs - Uses OCI Reference API for registry and containers-storage transports - Falls back to string manipulation for oci: and other complex transports - Properly strips digests when replacing tags - Works with all transport types Testing: - Unit tests cover registry, containers-storage, digest handling, and edge cases - Integration test (test-upgrade-tag.nu) uses containers-storage to verify full tag-switching workflow across reboots without registry dependency Documentation updated with --tag examples. Assisted-by: Claude (Sonnet 4.5) Signed-off-by: gursewak1997 <gursmangat@gmail.com>
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Implements
bootc upgrade --tag <TAG>to upgrade to a different tagof the current image without typing the full registry path.
Implementation:
ImageReference::with_tag()method in spec.rsTesting:
full tag-switching workflow across reboots without registry dependency