From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#39823: 26.3; update-directory-autoloads regression from Emacs 26 to Emacs 27 Date: Fri, 13 Mar 2020 10:30:46 +0200 Message-ID: <83v9n88xmx.fsf@gnu.org> References: <87zhd2lpad.fsf@gmail.com> <87o8t16q5e.fsf@gmail.com> Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="36673"; mail-complaints-to="usenet@ciao.gmane.io" Cc: , 39823@debbugs.gnu.org, maxim.cournoyer@gmail.com To: Noam Postavsky Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Mar 13 09:31:14 2020 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 1jCfir-0009QN-39 for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 13 Mar 2020 09:31:13 +0100 Original-Received: from localhost ([::1]:55566 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jCfiq-0007zu-4V for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 13 Mar 2020 04:31:12 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:36761) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jCfii-0007xf-1n for bug-gnu-emacs@gnu.org; Fri, 13 Mar 2020 04:31:05 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jCfig-0001yL-Qj for bug-gnu-emacs@gnu.org; Fri, 13 Mar 2020 04:31:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:52130) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1jCfig-0001xm-K6 for bug-gnu-emacs@gnu.org; Fri, 13 Mar 2020 04:31:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1jCfig-0001TI-FQ for bug-gnu-emacs@gnu.org; Fri, 13 Mar 2020 04:31:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 13 Mar 2020 08:31:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 39823 X-GNU-PR-Package: emacs Original-Received: via spool by 39823-submit@debbugs.gnu.org id=B39823.15840882465635 (code B ref 39823); Fri, 13 Mar 2020 08:31:02 +0000 Original-Received: (at 39823) by debbugs.gnu.org; 13 Mar 2020 08:30:46 +0000 Original-Received: from localhost ([127.0.0.1]:58103 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jCfiP-0001So-Lp for submit@debbugs.gnu.org; Fri, 13 Mar 2020 04:30:45 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:49137) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jCfiN-0001Sa-J6 for 39823@debbugs.gnu.org; Fri, 13 Mar 2020 04:30:44 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:45835) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1jCfiI-0000bu-EM; Fri, 13 Mar 2020 04:30:38 -0400 Original-Received: from [176.228.60.248] (port=1526 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1jCfiH-0005BG-Po; Fri, 13 Mar 2020 04:30:38 -0400 In-Reply-To: <87o8t16q5e.fsf@gmail.com> (message from Noam Postavsky on Thu, 12 Mar 2020 20:43:09 -0400) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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:177251 Archived-At: > From: Noam Postavsky > Date: Thu, 12 Mar 2020 20:43:09 -0400 > Cc: , 39823@debbugs.gnu.org > > > Works on Emacs 26.3, but fails on Emacs 27.0.50, with the error message: > > > > Wrong type argument: stringp, nil > > The difference is that --eval now evaluates with lexical-binding > enabled, so the let-binding of generated-autoload-file is lexical unless > autoload.el, with its (defvar generated-autoload-file nil ...), has been > loaded. > [...] > See also https://lists.gnu.org/r/emacs-devel/2020-03/msg00173.html for > (much) more discussion on this. The "wrap with eval" trick suggested by Stefan in the latter discussion does work here: emacs --quick --batch --eval "(eval '(progn (let ((backup-inhibited t) (generated-autoload-file \"/tmp/toto\")) (update-directory-autoloads \"/tmp\"))))" =| INFO Scraping files for toto...75% INFO Scraping files for toto...done