[Unison-hackers] Mac update

[Alan Shutko]

> On how to do it, it might be useful to rely on the git mirror of the svn
> repository. If you can create a commit against it (as a single commit),
> then send it using git format-patch, I can then apply it on svn through
> git svn.
> 
> I don't know how many details you have on the git mirror, so I'll let
> you ask for the information you need.

Good news. Where is the repo so that I can do a pull?  I can definitely send a single commit with format-patch.