[PATCH 1 of 9 STABLE] cmdutil: add the class to restore dirstate at unexpected failure easily

[Matt Mackall]

On Thu, 2014-10-02 at 01:18 +0900, FUJIWARA Katsunori wrote:
> # HG changeset patch
> # User FUJIWARA Katsunori <foozy at lares.dti.ne.jp>
> # Date 1412179386 -32400
> #      Thu Oct 02 01:03:06 2014 +0900
> # Branch stable
> # Node ID 91da9ccf1671d004fd4738ea99126acf103294a6
> # Parent  a111e460318af49aeb6578cf142a63426c5e764d
> cmdutil: add the class to restore dirstate at unexpected failure easily

This is interesting, but way too complicated for stable. And way way way
too complicated for the last day of the release cycle.

At the sprint, we talked about build a more complex multi-file
transaction system to address the larger issues here. There are some
notes about that here:

https://titanpad.com/mercurial32-sprint (starting at line 123)

-- 
Mathematics is the supreme nostalgia of our time.