[PATCH 2 of 2] diff: pass the diff matcher to the copy logic

[Matt Mackall]

On Thu, 2015-04-16 at 15:30 -0400, Durham Goode wrote:
> On 4/16/15 3:03 PM, Durham Goode wrote:
> > # HG changeset patch
> > # User Durham Goode <durham at fb.com>
> > # Date 1429209108 25200
> > #      Thu Apr 16 11:31:48 2015 -0700
> > # Node ID 6b80abe8862ed1f637748f6f3710b4ec6326a35b
> > # Parent  0270a44b46aabbaf794dbd62b08b622313fe1b85
> > diff: pass the diff matcher to the copy logic
> >
> It was brought to my attention that the freeze has started.  Feel free 
> to disregard this series if it doesn't qualify.  Though a 14s perf win 
> might meet the bar.

Freeze starts when I push a -rc. But I reserve the right to defer
stragglers.

-- 
Mathematics is the supreme nostalgia of our time.