publishergw: provide the revision to resource revision mappings created with `release` for charms

[Alex Lowe]

The release endpoint for charms allows mapping resource revisions to specific revisions, but we don't have a way to retrieve that data afterwards.

Ideally, list_resource_revisions would provide an array of workload revisions the resource revision maps to, and list_revisions would provide the resource revisions attached to that workload revision.

[Guillermo Gonzalez (verterok)]

Hello,

The mapping is actually the channel/release, the charm revision is not tied to the resource revision (or viceversa) in any way.
Could you elaborate a bit more on what are you trying to solve with this information?
The closest thing I can think of could be a channel-map history for the charm, showing all the releases for a specific channel (which include charm and resource revision)

Cheers

[Launchpad Janitor (janitor)]

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