[PATCH] churn: split email aliases from the right

[Matthew Turk]

# HG changeset patch
# User Matthew Turk <matthewturk at gmail.com>
# Date 1374072040 14400
#      Wed Jul 17 10:40:40 2013 -0400
# Node ID 3d618c04106d3449b3b3d9224ee76e0ee3c9635e
# Parent  ea4342d0e6fea19c8c4b7651f36929cd682afae7
churn: split email aliases from the right

This splits churn email aliases from the right, to enable incorrectly-specified
addresses that include equal signs to be mapped to correct addresses.  This
will enable aliasing of bad addresses (typically typos) such as:

sername=myusername

that appear in the churn output through a churn alias such as:

sername=myusername = myusername

whereas previously splitting from the left would not enable this behavior.

diff -r ea4342d0e6fe -r 3d618c04106d hgext/churn.py
--- a/hgext/churn.py	Tue Jul 16 17:10:26 2013 -0500
+++ b/hgext/churn.py	Wed Jul 17 10:40:40 2013 -0400
@@ -121,6 +121,7 @@
 
     Such a file may be specified with the --aliases option, otherwise
     a .hgchurn file will be looked for in the working directory root.
+    Aliases will be split from the rightmost "=".
     '''
     def pad(s, l):
         return (s + " " * l)[:l]
@@ -132,7 +133,7 @@
     if aliases:
         for l in open(aliases, "r"):
             try:
-                alias, actual = l.split('=' in l and '=' or None, 1)
+                alias, actual = l.rsplit('=' in l and '=' or None, 1)
                 amap[alias.strip()] = actual.strip()
             except ValueError:
                 l = l.strip()