From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: zhanghj Newsgroups: gmane.emacs.bugs Subject: bug#65904: 29.1.50; autorevert can't revert files in a symlink directory Date: Wed, 13 Sep 2023 21:12:30 +0800 Message-ID: References: <83cyymnsg4.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="26869"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.15.0 Cc: 65904@debbugs.gnu.org To: Eli Zaretskii , Michael Albinus Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Sep 13 15:13:08 2023 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 1qgPg2-0006mB-Ix for geb-bug-gnu-emacs@m.gmane-mx.org; 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In my case, the test file itself is a normal file. But its parent directory is a symlink. I just tested:  'file-symlink-p' return nil for the test file. On 9/13/23 20:56, Eli Zaretskii wrote: >> From: Zhang Haijun >> Date: Wed, 13 Sep 2023 03:55:15 +0000 >> >> >> It works in Emacs 26/27, But it doesn't work in Emacs 29. >> >> 0. emacs -Q >> 1. use the following code to open an existing file in a symlink directory >> (progn >> (setq auto-revert-use-notify t >>             auto-revert-interval 3) >> (global-auto-revert-mode 1) >> (setq find-file-hook (delq 'vc-refresh-state find-file-hook)) >> (find-file "~/symlink_dir/test.txt")) >> >> 2. modify the test file in external program and save >> 3. emacs doesn't autorevert the file > AFAICT, we don't support autoreverting symlinks, since Dec 2013, so it > sounds strange that you say it worked in Emacs 27. > > The relevant discussion is here: > > https://lists.gnu.org/archive/html/emacs-devel/2013-12/msg00282.html > > The reason for this non-support seems to be performance. > > I hope Michael (CC'ed) will be able to tell more about this. > > A workaround is to set auto-revert-use-notify to nil.