Mercurial > hg-stable
view hgext/narrow/narrowrepo.py @ 40779:300f8564220f
tags: cache `repo.changelog` access when checking tags nodes
The tags reading process checks if the nodes referenced in tags exist. Caching
the access to `repo.changelog` provides a large speedup for repositories with
many tags.
running `hg perftags` in a large private repository
before: ! wall 0.393464 comb 0.390000 user 0.330000 sys 0.060000 (median of 25)
after: ! wall 0.267711 comb 0.270000 user 0.210000 sys 0.060000 (median of 38)
author | Boris Feld <boris.feld@octobus.net> |
---|---|
date | Tue, 20 Nov 2018 10:38:15 +0000 |
parents | f7011b44d205 |
children | 2372284d9457 |
line wrap: on
line source
# narrowrepo.py - repository which supports narrow revlogs, lazy loading # # Copyright 2017 Google, Inc. # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. from __future__ import absolute_import from mercurial import ( wireprototypes, ) from . import ( narrowdirstate, ) def wraprepo(repo): """Enables narrow clone functionality on a single local repository.""" class narrowrepository(repo.__class__): def _makedirstate(self): dirstate = super(narrowrepository, self)._makedirstate() return narrowdirstate.wrapdirstate(self, dirstate) def peer(self): peer = super(narrowrepository, self).peer() peer._caps.add(wireprototypes.NARROWCAP) peer._caps.add(wireprototypes.ELLIPSESCAP) return peer repo.__class__ = narrowrepository