From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Re: How do package.el handles "duplicate packages"? Date: Thu, 24 Nov 2022 22:04:24 -0500 Message-ID: References: Reply-To: Stefan Monnier Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="15697"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:f8v6mY61UQBcFHQwIQyXp2yAN+M= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Fri Nov 25 04:05:15 2022 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oyP1f-0003wz-GY for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 25 Nov 2022 04:05:15 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oyP15-0005iS-1i; Thu, 24 Nov 2022 22:04:39 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oyP10-0005iD-Lc for help-gnu-emacs@gnu.org; Thu, 24 Nov 2022 22:04:36 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oyP0x-0004Kl-Do for help-gnu-emacs@gnu.org; Thu, 24 Nov 2022 22:04:33 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1oyP0u-0002u0-RB for help-gnu-emacs@gnu.org; Fri, 25 Nov 2022 04:04:28 +0100 X-Injected-Via-Gmane: http://gmane.org/ Received-SPF: pass client-ip=116.202.254.214; envelope-from=geh-help-gnu-emacs@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:141153 Archived-At: Eduardo Ochs [2022-11-24 20:43:00] wrote: > where can I find information on how package.el handles packages that > are listed twice in the buffer that `M-x list-packages' creates? Hmm... in `package.el`? More seriously, I don't think it's clearly documented there, so better ask more precise questions. > and I run `M-x my-p1' on the line with the first "afternoon-theme" and > `M-x my-p2' on the second, then I can inspect the variables my-p1 and > my-p2 with: > > (describe-variable 'my-p1) > (describe-variable 'my-p2) > > One of them has these entries, > > :version (0 1) > :archive "nongnu" > > and the other has these: > > :version (20140104 1859) > :archive "melpa" > > and if I run this, > > (setq my-ps > (cl-loop for (name pdesc) in package-archive-contents > if (eq name 'afternoon-theme) > collect (list name pdesc))) > > (describe-variable 'my-ps) > > I see only one entry in package-archive-contents - the one in MELPA... As the docstring of `package-archive-contents` describes, there should be only one entry for `afternoon-theme` but that entry should contain two `package-desc` objects: one for Melpa and one for NonGNU. Stefan