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revlog: extend addgroup() with callback for duplicates

Authored by joerg.sonnenberger on Oct 20 2020, 11:33 AM.



The addgroup() interface currently doesn't allow the caller to keep
track of duplicated nodes except by looking at the returned node list.
Add an optional second callback for this purpose and change the return
type to a boolean. This allows follow-up changes to use more efficient
storage for the node list in places that are memory-sensitive.

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Event Timeline

This revision was not accepted when it landed; it landed in state Needs Review.
This revision was automatically updated to reflect the committed changes.

Like I just commented about on D9208, I think the consensus is that we want API changes documented in the release notes, so please send a follow-up with that.