topic: add tests which demonstrate topicset failure of FilteredRepoLookupError
When topics are used, it fails to find hidden revs mentioned in a revset as
we are not using unfiltered view of repo. Next patch will fix it.
Anton Shestakov <av6@dwimlabs.net> [Sat, 08 Jun 2019 16:57:34 +0800] rev 4679
pick: reduce configoverride() scope
Merge tool is only needed for merge.graft() (it's what graft in core hg does),
so let's make the scope of the ui.configoverride() narrower.