hgwatchman
Integrates the file-watching program watchman with Mercurial to produce faster status results. On a particular Linux system, for a real-world repository with over 200,000 files hosted on ext4, vanilla hg status takes over 3 seconds. On the same system, with hgwatchman it takes under 0.6 seconds.
Contents
1. Status
This extension is not distributed with Mercurial.
Author: Facebook, Inc.
Web page: https://bitbucket.org/facebook/hgwatchman
This extension is slated to be integrated into core Mercurial.