[PATCH 3 of 3 relative-diff] patch.diff: restrict matcher to relative root in certain cases

[Matt Mackall]

On Mon, 2015-03-23 at 17:36 -0700, Siddharth Agarwal wrote:
> # HG changeset patch
> # User Siddharth Agarwal <sid0 at fb.com>
> # Date 1426632396 25200
> #      Tue Mar 17 15:46:36 2015 -0700
> # Node ID f330222612e877d983b690703196d9c941c97980
> # Parent  5176824fc54fd930f8032a15792b3b68d5dd8d1f
> patch.diff: restrict matcher to relative root in certain cases

These are queued for default, thanks.

-- 
Mathematics is the supreme nostalgia of our time.