Add git = True to the diff section, and sim default for addremove.
    
        | author | Steve Losh <steve@stevelosh.com> | 
    
        | date | Sun, 31 May 2009 01:34:09 -0400 | 
    
    
        | parents | da2751a0739f | 
    
        | children | 3427b1b94e54 | 
    
        | branches/tags | (none) | 
    
        | files | .hgrc | 
Changes
    
--- a/.hgrc	Sun Apr 26 17:37:34 2009 -0400
+++ b/.hgrc	Sun May 31 01:34:09 2009 -0400
@@ -13,6 +13,9 @@
 color = 
 alias = 
 
+[diff]
+git = True
+
 [color]
 status.modified = cyan bold
 status.added = green bold
@@ -26,6 +29,7 @@
 
 [defaults]
 glog = -l7 --template 'changeset:   {rev}:{node|short} {tags}\nsummary:     {desc|firstline|fill68|tabindent|tabindent}\n\n'
-diff = --color always
+diff   = --color always
 status = --color always
-serve = --style=gitweb
+serve  = --style=gitweb
+addremove = --similarity 100