compat: merge with stable Nothing to report beside the drop of the obsfate related tests.

evolve: preserve the branch of the original changeset when evolving merge

merge: default into stable to prepare next version Let us prepare ourself for 6.5.0

obslog: handle patch generation for mercurial 4.1- The unidiff API changed, we detect and work around that.

topic: also have the revbranchcache during the discovery

topic: cleanup the repository wrapping logic in topic discovery We are know overriding the class so we do not need to update and restore the pushop itself.

topic: adapt to function migrate to obsutil Mercurial 4.3 has a new module "obsutil" and multiple functions moved there. We handle the move for the one we care about.

evolve: adapt to function migrate to obsutil Mercurial 4.3 has a new module "obsutil" and multiple functions moved there. We handle the move for the one we care about.

topic: directly use the '_notpublic' revset This is just more robust to achieve the same goal.

topic: drop the message about running evolve after topic change Topic change is no longer creating a mess that needs cleaning.