Churn extension
This extension is currently being distributed along with Mercurial.
Overview
This extension creates a graph showing who changed the most lines in a commit.
It adds the churn command.
Configuration
Just add a new entry in the extensions section of the mercurial configuration file (hgrc):
[extensions] hgext.churn= #or, if churn.py is not in the hgext dir: #churn=/path/to/churn.py
An aliases map file can be provided to convert recorded emails to any other desired content. The aliases file has one alias per line in the following format: <alias email> <actual email>
Usage
hg churn [-r revision range] [-a file] [--progress]