From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#28156: Emacs quietly munges symlink contents Date: Mon, 21 Aug 2017 05:34:14 +0300 Message-ID: <834lt1d4yh.fsf@gnu.org> References: <68b2e6ef-bf0b-ebcf-c577-d296952d593f@cs.ucla.edu> <83pobqcnlf.fsf@gnu.org> <83h8x2ckqn.fsf@gnu.org> <87y3qexfeo.fsf@detlef> <8a526a4a-fd11-06c7-8ad4-bc00a667bcd1@cs.ucla.edu> <83a82ucaew.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1503282915 22387 195.159.176.226 (21 Aug 2017 02:35:15 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 21 Aug 2017 02:35:15 +0000 (UTC) Cc: p.stephani2@gmail.com, michael.albinus@gmx.de, 28156@debbugs.gnu.org To: Paul Eggert Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Aug 21 04:35:06 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1djcYT-0005HH-Ag for geb-bug-gnu-emacs@m.gmane.org; Mon, 21 Aug 2017 04:35:05 +0200 Original-Received: from localhost ([::1]:58651 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1djcYa-0000HZ-2q for geb-bug-gnu-emacs@m.gmane.org; Sun, 20 Aug 2017 22:35:12 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:44085) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1djcYT-0000Fc-K4 for bug-gnu-emacs@gnu.org; Sun, 20 Aug 2017 22:35:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1djcYQ-00020N-GB for bug-gnu-emacs@gnu.org; Sun, 20 Aug 2017 22:35:05 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:38431) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1djcYQ-000201-D8 for bug-gnu-emacs@gnu.org; Sun, 20 Aug 2017 22:35:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1djcYQ-00033W-6H for bug-gnu-emacs@gnu.org; Sun, 20 Aug 2017 22:35:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 21 Aug 2017 02:35:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 28156 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch Original-Received: via spool by 28156-submit@debbugs.gnu.org id=B28156.150328287111700 (code B ref 28156); Mon, 21 Aug 2017 02:35:02 +0000 Original-Received: (at 28156) by debbugs.gnu.org; 21 Aug 2017 02:34:31 +0000 Original-Received: from localhost ([127.0.0.1]:47112 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1djcXv-00032d-EI for submit@debbugs.gnu.org; Sun, 20 Aug 2017 22:34:31 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:53042) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1djcXt-00032Q-Im for 28156@debbugs.gnu.org; Sun, 20 Aug 2017 22:34:29 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1djcXl-0001rY-BM for 28156@debbugs.gnu.org; Sun, 20 Aug 2017 22:34:24 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:46571) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1djcXl-0001rS-83; Sun, 20 Aug 2017 22:34:21 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:4654 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1djcXk-0003rI-Mt; Sun, 20 Aug 2017 22:34:21 -0400 In-reply-to: (message from Paul Eggert on Sun, 20 Aug 2017 14:31:40 -0700) 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: 208.118.235.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:135975 Archived-At: > Cc: michael.albinus@gmx.de, p.stephani2@gmail.com, 28156@debbugs.gnu.org > From: Paul Eggert > Date: Sun, 20 Aug 2017 14:31:40 -0700 > > This instance of the problem occurs because rename-file calls > make-symbolic-link, and make-symbolic-link silently alters the link target. The > real problem here is with make-symbolic-link: the rename-file bug is just a symptom. Then you want a way of invoking make-symbolic-link non-interactively that doesn't expand "~", AFAIU. No need to affect its interactive invocation. > >> Here, rename-file quietly expands the symlink contents, which is a bug. As far > >> as I can see, one cannot work around the bug by using Tramp quoting; for > >> example, (rename-file "/:symlink" "/:/tmp/symlink") does the same thing that > >> (rename-file "symlink" "/tmp/symlink") does. > > > > But AFAIU, file-symlink-p can return a quoted name if its argument is > > quoted. > > I don't know what you mean by "quoted". I mean this: (file-symlink-p "/:/tmp/symlink") There's special code in file-symlink-p to support this and return a quoted name of the symlink target. For some reason, you wanted to remove that code.