Martin von Zweigbergk <martinvonz@google.com> [Tue, 05 Nov 2019 15:00:44 -0800] rev 43454
repoview: avoid wrapping changelog if there's nothing to filter
This simplifies the code a bit by moving the optimizaton for no
filtered revisions to one place. I assume it also makes working with
repos without obsmarkers a little faster, but it doesn't seem
significant.
Differential Revision: https://phab.mercurial-scm.org/D7248