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#68648: 30.0.50; read-only-mode-hook's are not executed when buffer-read-only is t Date: Tue, 23 Jan 2024 20:23:16 +0200 Message-ID: <86a5ov6h9n.fsf@gnu.org> References: <874jf4nove.fsf@> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="28136"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 68648@debbugs.gnu.org To: =?UTF-8?Q?Bj=C3=B6rn?= Bidar Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Jan 23 19:24:36 2024 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 1rSLRr-00075a-BU for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 23 Jan 2024 19:24:35 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rSLRI-0003ST-46; Tue, 23 Jan 2024 13:24:00 -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 1rSLRG-0003JT-Nc for bug-gnu-emacs@gnu.org; Tue, 23 Jan 2024 13:23:58 -0500 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rSLRG-0007TP-6k for bug-gnu-emacs@gnu.org; Tue, 23 Jan 2024 13:23:58 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1rSLRK-0006oT-JE for bug-gnu-emacs@gnu.org; Tue, 23 Jan 2024 13:24:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 23 Jan 2024 18:24:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 68648 X-GNU-PR-Package: emacs Original-Received: via spool by 68648-submit@debbugs.gnu.org id=B68648.170603421026150 (code B ref 68648); Tue, 23 Jan 2024 18:24:02 +0000 Original-Received: (at 68648) by debbugs.gnu.org; 23 Jan 2024 18:23:30 +0000 Original-Received: from localhost ([127.0.0.1]:43988 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rSLQn-0006ni-NN for submit@debbugs.gnu.org; Tue, 23 Jan 2024 13:23:30 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:39398) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rSLQk-0006nU-Rx for 68648@debbugs.gnu.org; Tue, 23 Jan 2024 13:23:27 -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 1rSLQa-00077l-1s; Tue, 23 Jan 2024 13:23:16 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=RBj2s9CtgoSDsK/ws11u5A97NM50BO8pIMx8utM5Idk=; b=VtubpN+s+5y0mYYnpyLL h6QNG1eHLjIeVtf6LV8qebjN87WUETcDTXdrpgFLvi9N1HMxene5ZQD3KTkT4j7wvcJRxLw9dR0wV R8aqLXwX6rpvo2KErD4ND9ef+xvZZtBvG51StdYXJY6uWCC8fT901ccasnBqh81LjO+vOPijiDGeQ sUD20PKmjSsc0GW7olm2/+pfz/jsWoek0gkLfaw6D3vBoYrvVa0Gk4IVRIufma/LQtjh4+0xxa6o1 uVIKRAgWmoDy7ml5fuYnQXY8PrUHJK+0bzl9pyt2iXMK4t1lf8H8vFbeamfaE+JMAkv2GVuZ/UbMp VsxaMnmJKSgGVA==; In-Reply-To: <874jf4nove.fsf@> (message from =?UTF-8?Q?Bj=C3=B6rn?= Bidar on Tue, 23 Jan 2024 15:47:01 +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:278746 Archived-At: > From: Björn Bidar > Cc: Björn Bidar via Bug reports for GNU Emacs, the Swiss army knife of text editors , > 68648@debbugs.gnu.org > Date: Tue, 23 Jan 2024 15:47:01 +0200 > > Eli Zaretskii writes: > > >> 1. (add-hook 'read-only-mode-hook (lambda () (print "foobar"))) > >> 2. open file that is read-only > >> 3. foobar should be print but isn't. > > > > That's because read-only-mode is not entered when you visit a > > write-protected file. > > It does look like the mode is entered because when calling > read-only-mode it is disabled. That's only a circumstantial evidence. read-only-mode is a thin wrapper around buffer-read-only variable, but setting buffer-read-only directly (which is what we do when you visit a write-protected file) doesn't invoke the mode function, and thus the mode hook is not run. For the same reason, the setting of view-read-only is not honored in the scenario you described.