Re: modus-themes ELPA and etc/themes

[Eli Zaretskii <eliz@gnu.org>]

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: emacs-devel@gnu.org
> Date: Fri, 26 Mar 2021 17:41:34 -0400
> 
> > I envision that more themes will go the way of modus-themes (and at
> > the time you more or less said the same), so I think it would be good
> > to design and implement support for such themes in package.el now,
> > that we have a real-life example.
> 
> I'm not sure what extra support for it you want in `package.el`.
> `package.el` already works great to install modus-themes as well as
> many other themes available from ELPA.
> 
> The problem here is with the themes we bundle with Emacs, because these
> are not installed in the normal way (e.g. they're not `load-path` and
> they're not scrubbed by autoload.el).

They are in custom-theme-load-path, right?  So that's what I meant by
supporting themes in package.el: teach it about
custom-theme-load-path, so it could know which themes are bundled.

> > I'd like to keep themes in their current location.  Where this
> > requires additional infrastructure for themes that do something
> > special, I think we should add such an infrastructure.
> 
> The current problem is not due to modus-themes doing something special,
> but to the need to record the version of modus-themes that we bundle so
> that we can compare it to the versions available from ELPA.  The problem
> already existed for other themes, such as `leuven` which we bundle
> without telling package.el.
> 
> I opened a bug for that.

Thanks.