On Tue, Aug 5, 2025, 6:47 AM Sean Whitton <spwhitton@spwhitton.name> wrote:

> Hello,
>
> On Wed 30 Jul 2025 at 09:41am -04, Spencer Baugh via "Bug reports for GNU
> Emacs, the Swiss army knife of text editors" wrote:
>
> > Sean Whitton <spwhitton@spwhitton.name> writes:
> >> Hello,
> >>
> >> On Wed 30 Jul 2025 at 06:30am +02, Eshel Yaron wrote:
> >>
> >>> FWIW, while incorporating this new feature in my Emacs branch, I've
> made
> >>> a few experimental tweaks that eliminate these errors.  Namely, I added
> >>> a variable vc-switch-working-tree-function which vc-switch-working-tree
> >>> consults to do the actual switching.  By default this variable is set
> to
> >>> a function that works for file-visiting buffers (similarly to the
> >>> current implementation in master), but major modes can readily set this
> >>> variable buffer-locally to provide worktree-switching support also for
> >>> non-file buffers.  I used this indirection to support Dired buffers.
> >>
> >> Interesting, though it seems to me that instead of adding a whole new
> >> variable vc-switch-working-tree-function, someone could just write a
> >> custom command and bind that to 'C-x v w w'?  Wouldn't that pretty much
> >> cover it?
> >
> > No, because multiple other packages providing special buffers might want
> > to integrate with the existing C-x v w w command.
>
> Ah, are you thinking they would do this by using add-function on
> vc-switch-working-tree-function?
>

No, just by setting that variable buffer locally.

>