Martin von Zweigbergk <martinvonz@google.com> [Tue, 03 Apr 2018 09:58:16 -0700] rev 37374
narrow: move manifestlog overrides to core
With this and the previous patch, I couldn't measure any significant
difference from `hg files -r .` in a FireFox repo with 65k files. I
tried with both a flat-manifest and a tree-manifest version of
it. Neither had the narrow extension enabled.
Differential Revision: https://phab.mercurial-scm.org/D3046