bug#55655: 28.1; package.el no longers respects `user-emacs-directory'

[Visuwesh]

[வெள்ளி மே 27, 2022] Shitikanth wrote:

>>Could you give some more details about the use case that actually
> affects you
>
> I just have a couple of different configs and use them with
> "emacs -Q --load $config_dir/init.el" and set the user-emacs-directory
> early in "$config_dir/init.el". This was also the easiest way to try out
> other people's configs without disturbing your own.
>
> I guess I was always aware that this was an abuse of the init system,
> so if this is an intended change, you can close the bug report.
>

FWIW, Emacs 29 added a --init-directory flag for these purposes.  Here's
the NEWS entry of the change,

    ** Emacs now supports setting 'user-emacs-directory' via '--init-directory'.