revlog: extract function for fully populating the radix tree This code is currently used for partialmatch(), but I want to reuse it when I implement shortest() in native code. Differential Revision: https://phab.mercurial-scm.org/D3497

tests: port test-lfs-pointer.py to Python 3 The weird bit here is having to import /something/ from Mercurial before we touch hgext.* so that the module loader gets initialized. That's probably a bug we should explore at some point? Differential Revision: https://phab.mercurial-scm.org/D3514

tests: port test-ui-verbosity.py to Python 3 # skip-blame just some bytes/string wrangling Differential Revision: https://phab.mercurial-scm.org/D3515