What is the purpose of the "Use pull protocol to copy metadata" hg clone option?

[Matt Mackall]

On Tue, 2010-06-01 at 12:08 +0200, Adrian Buehlmann wrote:

> > BTW, will this make it into Mercurial 1.5.4?
> 
> Rather unlikely, Mercurial 1.5.4 is due today.

I've just transplanted them to stable.

-- 
Mathematics is the supreme nostalgia of our time.