Small git writing cleanup, some initial reading support

[Dirk Hohndel]

On Fri, 2014-03-07 at 23:18 -0800, Linus Torvalds wrote:
> Ok, so I lied. The "git reading support" is more like just a very
> rough skeleton that parses the git object tree hierarchy. And by that
> I mean that it literally parses *just* the hierarchy, it doesn't ever
> actually look at the data in the actual data files.
> 
> But that hierarchy does mean that you can find all the dives and trips
> and create the data structures.
> 
> Anyway, the first patch is a trivial cleanup on the writing side, and
> can be applied independently. The second patch I'm sending out because
> it's where I'm finishing for today. If you feel that it doesn't make
> sense to apply yet, I understand. I'll keep it around.

I don't see a reason not to apply.

/D