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dirstate._walkexplicit: don't bother normalizing '.' The overwhelmingly common case is running commands like 'hg diff' with no arguments. Therefore the only file that'll be listed is the root directory. Normalizing that's just a waste of time. This means that for a plain 'hg diff' we'll never need to construct the foldmap, saving us a significant chunk of time. On case-insensitive HFS+ on OS X, for a large repository with over 200,000 files, this brings down 'hg diff' from 2.97 seconds to 2.36.
author Siddharth Agarwal <sid0@fb.com>
date Sun, 29 Mar 2015 18:28:48 -0700
parents df5ecb813426
children 4b0fc75f9403
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Mercurial
=========

Mercurial is a fast, easy to use, distributed revision control tool
for software developers.

Basic install:

 $ make            # see install targets
 $ make install    # do a system-wide install
 $ hg debuginstall # sanity-check setup
 $ hg              # see help

Running without installing:

 $ make local      # build for inplace usage
 $ ./hg --version  # should show the latest version

See http://mercurial.selenic.com/ for detailed installation
instructions, platform-specific notes, and Mercurial user information.