From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Corwin Brust Newsgroups: gmane.emacs.bugs Subject: bug#53885: 28.0.51 [PATCH] Autoload package-installed-p Date: Wed, 9 Feb 2022 17:58:25 -0600 Message-ID: References: <83y22kupn7.fsf@gnu.org> <87v8xng5ig.fsf@gnus.org> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="36321"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 53885@debbugs.gnu.org To: Lars Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Feb 10 00:59:10 2022 Return-path: Envelope-to: geb-bug-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 1nHwre-0009Dx-GZ for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 10 Feb 2022 00:59:10 +0100 Original-Received: from localhost ([::1]:39928 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nHwrd-0002Jz-1n for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 09 Feb 2022 18:59:09 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:37966) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nHwrW-0002Jo-F6 for bug-gnu-emacs@gnu.org; Wed, 09 Feb 2022 18:59:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:59206) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nHwrW-0006O2-5p for bug-gnu-emacs@gnu.org; Wed, 09 Feb 2022 18:59:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1nHwrW-0000y1-3X for bug-gnu-emacs@gnu.org; Wed, 09 Feb 2022 18:59:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Corwin Brust Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 09 Feb 2022 23:59:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 53885 X-GNU-PR-Package: emacs Original-Received: via spool by 53885-submit@debbugs.gnu.org id=B53885.16444511253684 (code B ref 53885); Wed, 09 Feb 2022 23:59:02 +0000 Original-Received: (at 53885) by debbugs.gnu.org; 9 Feb 2022 23:58:45 +0000 Original-Received: from localhost ([127.0.0.1]:53103 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nHwrF-0000xL-H3 for submit@debbugs.gnu.org; Wed, 09 Feb 2022 18:58:45 -0500 Original-Received: from mail-ed1-f45.google.com ([209.85.208.45]:44957) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nHwrD-0000x8-Oz for 53885@debbugs.gnu.org; Wed, 09 Feb 2022 18:58:44 -0500 Original-Received: by mail-ed1-f45.google.com with SMTP id bx2so8091376edb.11 for <53885@debbugs.gnu.org>; Wed, 09 Feb 2022 15:58:43 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=FYxlcOQkwCmwlWyFrmlC8Y0dweZbTJfIWSdco7VDNgI=; b=GHIRiIRXqYAWTOMI7QR6Z9wmAoS4G1JFAcCmK5wWmAB2wOT71muhcCwng2FPYCd9Go /cqUGJCXdbyTly5bXhG2qPDdb4/4pRb+OovvERkF4KQI5sf0w319WSUYGAK2YA98VyG1 uHpkDdjvu+/GIyP0HK3DGBrMqKlooUQnRzPpzO0l6z28hsluzQUrzj7DEKE8TXUdNQIB sn6r1q7uL3wdIdZzj25QJGgHF3pHPt+b9vk+3xhLEMzduSrgWJyHQYIBiYHRUuGpWwiB tdCukXbezssda1sT4BAlNkve982gPl/yOo1hB8iQsh6ph/AHb4besbVcE868TEXIpHf2 KT3A== X-Gm-Message-State: AOAM533K/G5SQl1oF5bgzfLGE5F7BEX5XfOQYFF/LNobjUvFt2wdJ7H7 1SGZY0z+/E+qWnhL3QmJRX5my//LVefb7uE2aTEK3r+HYiQ= X-Google-Smtp-Source: ABdhPJyrNGNGUrOdSWz2ZSLxS5ly64Ac6mCHecq3H9w+/zMsb3uP5H4fq+1mHUKpN2irbrnPI99JRoRoit5T1l2P3Xo= X-Received: by 2002:aa7:cd1a:: with SMTP id b26mr5669466edw.335.1644451117633; Wed, 09 Feb 2022 15:58:37 -0800 (PST) In-Reply-To: <87v8xng5ig.fsf@gnus.org> X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:226514 Archived-At: On Wed, Feb 9, 2022 at 2:16 PM Lars Ingebrigtsen wrote: > > It should be safe for the release branch, so installing it is fine by > me, but I didn't really understand the use case. Sorry I failed in making the case for users clear. The primary use-case here is "repeatable configuration", especially bootstrapping `use-package'. By "repeatable configuration" we mean, we get the same setup each time we start Emacs, even when launching for the first time on a new host. The use package feature provides an "ensure" capability that is well suited to this job. (use-package 'foo :ensure t) This appears widely used, especially to create literate Emacs configurations. For this to work, however, "bootstrapping" (installing use-package via Emacs core features) is needed. The reproducer I gave shows one way of bootstrapping use-package. Considering the similarity of my reproducer to the recipe in #31397, I think it is a fairly common approach and has been for some years.