From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#58967: 29.0.50; `g` in list-directory fails with error Date: Sun, 13 Nov 2022 11:48:09 +0200 Message-ID: <83o7tbkwx2.fsf@gnu.org> References: <87a659csm2.fsf@thb.lt> <83fsennbm6.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="35471"; mail-complaints-to="usenet@ciao.gmane.io" Cc: thibault@thb.lt, 58967@debbugs.gnu.org To: stefankangas@gmail.com Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Nov 13 10:49:33 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 1ou9cK-00090q-8d for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 13 Nov 2022 10:49:32 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ou9c6-0007QA-AD; Sun, 13 Nov 2022 04:49:18 -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 1ou9bq-0007PT-Gf for bug-gnu-emacs@gnu.org; Sun, 13 Nov 2022 04:49:05 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1ou9bq-0001l7-7d for bug-gnu-emacs@gnu.org; Sun, 13 Nov 2022 04:49:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1ou9bq-0004e3-3Y for bug-gnu-emacs@gnu.org; Sun, 13 Nov 2022 04:49:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 13 Nov 2022 09:49:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 58967 X-GNU-PR-Package: emacs Original-Received: via spool by 58967-submit@debbugs.gnu.org id=B58967.166833289017776 (code B ref 58967); Sun, 13 Nov 2022 09:49:02 +0000 Original-Received: (at 58967) by debbugs.gnu.org; 13 Nov 2022 09:48:10 +0000 Original-Received: from localhost ([127.0.0.1]:50100 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ou9az-0004ce-HF for submit@debbugs.gnu.org; Sun, 13 Nov 2022 04:48:09 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:53568) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ou9ax-0004c0-VL for 58967@debbugs.gnu.org; Sun, 13 Nov 2022 04:48:08 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ou9ar-0001dN-Td; Sun, 13 Nov 2022 04:48:01 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=UfIPN1r3PK0ctkRxSruLcKj/c2ceg4dWHtloh6kaKYg=; b=NX1jOAZqnbpQ BPjwnlxjb58GRb9bOpXOJHPDys/obGIzPaHCTpcOZbzNBDDk5uiXeSkfWY0j43nMDd703KqPN/6ge Xz37TlwQO+Ty9gTnzi9zleRqOk7bfVHGbarZWEDmX/H7e8diTGt3qhP0mb2iHVViBbCSxU+b2vcZv r+jSOvJerOQogvT2ZMVGOdT2T84BA+M2WOn8WRh0c7bXmwGK1+yNDOxEkV3odCQqKAvNu/c5PfFNL Hzy+wPWBdu+dhf5zWaeCofHpNmSkzTVIsulbV+awtR6biYdm6GUOZjjV596fhBGt2bkTynjwlgLeU i4fCaZa2qmrDmAIrhsEaAQ==; Original-Received: from [87.69.77.57] (helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ou9ar-0002D2-1y; Sun, 13 Nov 2022 04:48:01 -0500 In-Reply-To: <83fsennbm6.fsf@gnu.org> (message from Eli Zaretskii on Sat, 12 Nov 2022 22:47:45 +0200) 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:247761 Archived-At: > Cc: thibault@thb.lt, 58967@debbugs.gnu.org > Date: Sat, 12 Nov 2022 22:47:45 +0200 > From: Eli Zaretskii > > > Cc: 58967@debbugs.gnu.org > > From: Stefan Kangas > > Date: Sat, 12 Nov 2022 12:33:47 -0800 > > > > Thibault Polge writes: > > > > > Steps to reproduce: > > > > > > - M-x list-directory RET > > > - (Pick a directory) > > > - Type `g` > > > - Results in: > > > Debugger entered--Lisp error: (void-function nil) > > > nil() > > > help-mode-revert-buffer(t nil) > > > revert-buffer(t) > > > funcall-interactively(revert-buffer t) > > > command-execute(revert-buffer) > > > Instead of refreshing the view (or just doing nothing) > > > > I believe that this bug was fixed on master? > > No, I can reproduce it with today's master. The problem here is that list-directory puts the buffer in Help mode, and that mode's revert-buffer-function is inappropriate for the kind of stuff we display in this case. So either we change list-directory to concoct a help-xref-stack-item which would work, or we implement a revert-buffer-function for list-directory's buffer. This is a very old problem: I see it as far back as Emacs 24.