On Thu, 22 Feb 2018 20:33:36 +0100, Boris Feld wrote: > # HG changeset patch > # User Boris Feld <boris.f...@octobus.net> > # Date 1519313522 -3600 > # Thu Feb 22 16:32:02 2018 +0100 > # Node ID b65a85952c09cf4c71a1458fbc4ec77c49683314 > # Parent 428de1a59f2df3d6d07ff1d7164c8ee56cbb7825 > # EXP-Topic noname > # Available At https://bitbucket.org/octobus/mercurial-devel/ > # hg pull https://bitbucket.org/octobus/mercurial-devel/ -r > b65a85952c09 > namespace: fastpath name lookup on invalid name > > Since label cannot contains leading or trailing whitespace we can skip looking > for them. This is useful in repositories with slow labels (eg: special type of > tags). Short command running on a specific revision can benefit from such > shortcut. > > eg on a repository where loading tags take 0.4s: > > 1: hg log --template '{node}\n' --rev 'rev(0)' > 0.560 seconds > > 2: hg log --template '{node}\n' --rev ' rev(0)' > 0.109 seconds > > The changeset introduce a generic way to do such fast-pathing to help > extensions writer to apply the same principle to their extensions.
So is this basically the same as the previous version in that we have to suggest using a weird syntax (leading/trailing space) to get to the fast path? https://www.mercurial-scm.org/pipermail/mercurial-devel/2018-February/111432.html > Instead, maybe we can make lookup() to not search slow labels assuming these > labeling schemes didn't exist in pre-revset era. Alternatively, we could add > a config knob to switch off the old-style range support. _______________________________________________ Mercurial-devel mailing list Mercurial-devel@mercurial-scm.org https://www.mercurial-scm.org/mailman/listinfo/mercurial-devel
