What do I call a working tree that stores its revisions in a shared repository?

[Andrew Bennetts]

Stefan Monnier wrote:
> > Ah, sorry. I see. My point was different - I don't like shared
> > repositories because of the organisational limitations they impose, so
> > I prefer to use standalone branches. However, they are too slow to
> > use, so to get a reasonable level of speed back, I'm considering using
> > an OS copy rather than a bzr branch.
> 
> I suggest the following hack:

Why not use lightweight checkouts instead of this hack?

-Andrew.