[PATCH 1 of 2] subrepo: look for local pull source first

[Matt Mackall]

On Fri, 2011-03-25 at 16:07 +0100, Martin Geisler wrote:
> # HG changeset patch
> # User Martin Geisler <mg at aragost.com>
> # Date 1300989966 -3600
> # Node ID a8019f68e1463d6b1d5406f5f22d17f9aa8c828c
> # Parent  e45780ac829283080ad6b5a5e064e59a163c08d6
> subrepo: look for local pull source first
> 
> With this change, a subrepository will always try to find the
> changesets it needs in a repository relative to the pull source of the
> top-most parent repository. So if we have
> 
>   repo/
>     sub/
> 
> and make a clone with 'hg clone repo clone', then clone/sub will pull
> in changesets from repo/sub, regardless of what the .hgsub file says.

There's a lot that's weird with this.

Consider how completely different the behavior will be if you manually
run hg pull in a subrepo vs having the subrepo code do it for you. I
think this issue by itself is a show-stopper.

Consider how completely different this behavior is from non-hg subrepo
behavior.

-- 
Mathematics is the supreme nostalgia of our time.