Re: [PATCH v3 2/3] Setup working tree in describe

>
> On Tue, Jan 29, 2019 at 03:53:40PM -0500, Eric Sunshine wrote:
>
> > > > The implementation of --broken uses diff-index which calls
> > > > setup_work_tree() itself.
> > >
> > > If I hadn't just read the rest of the thread, I'd probably wonder why we
> > > are talking about --broken at all. Maybe:
> > >
> > >   The --broken option similarly needs a working tree. But because the
> > >   current implementation calls an external diff-index to do the work,
> > >   we don't have to bother setting up the working tree in the
> > >   git-describe process.
> >
> > This rewrite left me slightly in the dark since I had to infer that
> > git-diff-index calls setup_work_tree() itself. Perhaps:
> >
> >     ...an external diff-index to do the work, which itself calls
> >     setup_work_tree(), we don't have to bother...
> >
> > But that's minor.
>
> Yeah, my reasoning was that we handed off to diff-index, so if it
> doesn't work, then it has its own bug. ;) But I agree it is probably
> better to just be explicit.