bug#47458: Terrible UX upgrading Emacs in Guix

[Leo Prikler]

Am Montag, den 29.03.2021, 10:24 +0200 schrieb Maxime Devos:
> On Mon, 2021-03-29 at 10:07 +0200, Leo Prikler wrote:
> > [...]
> > 
> > In a similar manner, if I see an Emacs version upgrade at the start
> > of
> > the transaction, I already know to prepare for a little environment
> > variable dance to get it to start correctly.  I think there has
> > been an
> > idea to update environment variables in GNOME Shell directly, for
> > instance, but
> > a. we're lacking the technology to do so at the moment (e.g. guile-
> > dbus)
> 
> Actually, we do have dbus bindings for guile (actually, a
> reimplementation
> of dbus in (Guile) Scheme): guile-ac-d-bus.  It doesn't support file
> descriptor
> passing (at least on Guile, other Schemes may differ) though, but
> that's
> probably not required for this.
Thanks for pointing this out!  Now I can finally write Guile code to
update all those environment variables.  (Hopefully this lets us do
polkit in Guix as well.)