bug#65475: 29.1; package-selected-packages variable is not updated when the last package is deleted

[Eshel Yaron via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>]

Andrey Samsonov <samsonov.box@gmail.com> writes:

> 02.09.2023 22:28, Stefan Kangas пишет:
>> Pushed to master as commit 610105ee81b. Andrey, could you please
>> test and report back?
>
> Unfortunately, I am not competent enough to understand exactly what
> steps are required to perform this. I certainly am not able to build
> emacs from source. But I thought to do the following:
>
> 1. Download package.el file from here:
> https://github.com/emacs-mirror/emacs/blob/610105ee81bbf79f72d4efb46d0caddf8d654cf1/lisp/emacs-lisp/package.el
>
> 2. Start 'emacs -Q --init-directory <DIR>', where <DIR> is directory
> with only zero-sized 'init.el' file
>
> 3. Open that downloaded package.el file in emacs buffer and do M-x
> eval-buffer
>
> 4. Do the steps from 2 to 8 in my original bug-report.
>
> I got the same buggy result on step 8: C-h v package-selected-packages
> RET: Its value is (chess)
>

FWIW, I get the same non-empty `package-selected-packages` with Emacs
master built from source.  Indeed it looks like this issue isn't fully
fixed yet.

> I'm not familiar with emacs internals, so can't say where the problem
> now: the bug is still here, or my testing strategy is wrong.
>

I think your test is alright in this case, and that a bug (maybe another
one) remains.

> P.S. (Offtopic): I'm also novice at maillists, so confused what should
> I do now in my email client: Reply, Reply to All or Reply to
> List. Sorry please if I did it wrong.

The key is to keep commenters in the CC so they get your follow up.  How
to do that varies between mail clients, but it sounds like Reply to All
would be the best fit.


Cheers,

Eshel