charmcraft promote-charm command

[lengau]

What needs to get done

Promote a charm from one channel to another in a command.

This would be a charm version of promote-bundle.

Why it needs to get done

To match snapcraft and developer convenience.

[syncronize-issues-to-jira]

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The internal ticket has been created: https://warthogs.atlassian.net/browse/CRAFT-2708.

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[lengau]

The logic already roughly exists in the promote-bundle command, it just needs to be made standalone:

charmcraft/charmcraft/application/commands/store.py

Line 941 in b6baa10

# Get source channel charms

[sed-i]

Yes please!

(Duplicates #836.)

[sed-i]

It would be really great if there was also an extra flag to promote all risks of a given track. For example:

charmcraft promote-track latest prometheus-k8s

would promote all revisions to lower risks on the given track.

1. candidate -> stable
2. beta -> candidate
3. edge -> beta

[alnvdl-work]

As a note: it looks like the charming-actions/release-charm supports a way of doing this through GH Actions as well.
See: https://github.com/canonical/charming-actions/tree/main/release-charm

I didn't test it myself though.

[lucabello]

Any update on this? Some form of charmcraft promote would be very helpful, because currently bumping a set of charms to the lower risk tracks is quite cumbersome :)