Re: Ready to start serious work on VC mode again

[David Kastrup <dak@gnu.org>]

Stefan Monnier <monnier@iro.umontreal.ca> writes:

>>> > Multiple back ends is kind of a wacky edge case;
>>> 
>>> I don't agree.  Multiple back end workspaces are going to be quite
>>> common *among the population of people who are likely to turn into
>>> vc.el hackers*.  DAK obviously uses them, I do, Barry Warsaw (Mailman
>>> maintainer and Python release engineer) uses them on at least three
>>> projects, and that's just a few folks I know.
>>> 
>>> You want this feature to shine, I think.
>
>> Does anybody have a clear idea about how VC should behave in such a
>> situation ?
>
> Currently, there are 2 ways to control it:
> - vc-handled-backends whose order influences which backend is used
>   by default.
> - C-x v b which allows you to switch to another backend.

Oh, by the way:  I find that C-x v b does switch to a different backend,
but the mode line is not adapted accordingly.  Also, it somehow
considers RCS and CVS to be the same, which is pretty confusing.

> The fact that backends are currently associated to filenames is the
> source of the problems we need.

We need them?

> They should be associated to buffers instead.

Or buffers should be able to override the association with a
buffer-local binding.

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum