bug#68880: 30.0.50; [pgtk] Theme customization is not applied by custom-theme-set-faces until theme is re-enabled

[Dmitry Gutov]

On 03/02/2024 08:41, Po Lu wrote:
> Dmitry Gutov <dmitry@gutov.dev> writes:
>
> > To reproduce, put this into .emacs:
> >
> > (add-hook
> >    'after-init-hook
> >    (lambda ()
> >      (load-theme 'adwaita t)
> >
> >      (custom-theme-set-faces
> >       'adwaita
> >       '(font-lock-comment-face ((t (:foreground "yellow")))))))
> >
> > Then run emacs -Q.
>
> Upon rereading your description, it appears as though you're reporting
> that `emacs -Q' does not load the user's initialization files, while it
> does in the non-PGTK builds.  Needless to say, if true, that is a severe
> bug!

Not sure it relates to the user initialization files: like I say below, 
the same scenario and the result can be reproduced interactively after 
Emacs has initialized.

> > When the PGTK port is used, the comment face's foreground won't be
> > yellow. With other ports (e.g. GTK3 or Lucid), it is.
> >
> > The use of after-init-hook itself it not crucial - you can just as well
> > enable the theme using 'M-x load-theme' and then evaluate the
> > custom-theme-set-faces form.
> >
> > There is some text on the splash screen with font-lock-comment-face
> > applied, so you should see the effect right away.
>
> I can reproduce this, thanks.