GNU bug report logs - #63338
29.0.90; package-vc-install'ing the same package multiple times results in duplication in package-selected-packages

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Philip Kaludercic <philipk <at> posteo.net>
Cc: wyuenho <at> gmail.com, 63338 <at> debbugs.gnu.org
Subject: bug#63338: 29.0.90; package-vc-install'ing the same package multiple times results in duplication in package-selected-packages
Date: Mon, 08 May 2023 15:04:11 +0300

> Cc: 63338 <at> debbugs.gnu.org
> From: Philip Kaludercic <philipk <at> posteo.net>
> Date: Mon, 08 May 2023 10:36:55 +0000
> 
> Jimmy Yuen Ho Wong <wyuenho <at> gmail.com> writes:
> 
> > Reproduction:
> >
> > 0. (setq custom-file (const user-emacs-directory "custom.el"))
> > 1. M-x package-vc-install company
> > 2. M-x package-vc-install company RET y
> > 3. C-x C-f ~/.emacs/custom.el
> > 4. Observe that `company` has been listed twice under
> > `package-selected-packages`.
> >
> > Expectation:
> >
> > Installing the same package twice should not result in its duplication
> > in `package-selected-packages`.
> 
> An easy fix would be just to ensure that package-selected-packages is
> always deduplicated before assigning the value:

This is OK for the emacs-29 branch, thanks.

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