官网：http://mercurial.selenic.com/
Mercurial is a free, distributed source control management tool. It efficiently handles projects of any size and offers an easy and intuitive interface.
Basic install
$ make # see install targets
$ make install # do a system-wide install
$ hg debuginstall # sanity-check setup
$ hg # see help
Quick Start
Clone a project and create a patch
$ hg clone http://hg-scm.org/hello
$ cd hello
$ (edit files)
$ hg add (new files)
$ hg commit -m ‘My changes’
$ hg export tip > patch.diff
Create a project and commit
$ hg init (project-directory)
$ cd (project-directory)
$ (add some files)
$ hg add
$ hg commit -m ‘Initial commit’
FAQ
abort: couldn’t find mercurial libraries in [/usr/local/bin / /usr/lib/python25.zip /usr/lib/python2.5 /usr/lib/python2.5/plat-linux2 /usr/lib/python2.5/lib-tk /usr/lib/python2.5/lib-dynload /usr/lib/python2.5/site-packages /usr/lib/python2.5/site-packages/Numeric /usr/lib/python2.5/site-packages/gst-0.10 /usr/lib/python2.5/site-packages/gtk-2.0 /usr/lib/python2.5/site-packages/scim-0.1]
(check your install and PYTHONPATH)
A: You should set up the environment variable PYTHONPATH.
PYTHONPATH=/usr/local/lib/python2.5/site-packages
export PYTHONPATH
Example
$> hg clone https://wave-protocol.googlecode.com/hg/ wave-protocol