[[!comment format=mdwn
 username="http://joeyh.name/"
 ip="209.250.56.87"
 subject="comment 2"
 date="2013-12-16T17:14:06Z"
 content="""
It seems that `ls-files --modified` runs the same code path that commit did to see if the file is changed, which here is a cheap 
stat, and on your system mmaps and downloads it all.

I cannot see a good way to avoid using `ls-files --modified`.

I think it would be better to fix git.
"""]]