From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.bugs Subject: bug#28875: 25.3.50; set-default-file-modes ignores execution bits Date: Tue, 17 Oct 2017 16:03:55 +0200 Message-ID: References: <87vajd2a1v.fsf@gmail.com> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1508249152 7560 195.159.176.226 (17 Oct 2017 14:05:52 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 17 Oct 2017 14:05:52 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux) Cc: 28875@debbugs.gnu.org To: Tino Calancha Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Oct 17 16:05:39 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 1e4SUm-0006o9-Jm for geb-bug-gnu-emacs@m.gmane.org; Tue, 17 Oct 2017 16:05:24 +0200 Original-Received: from localhost ([::1]:39688 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e4SUr-0006d4-Us for geb-bug-gnu-emacs@m.gmane.org; Tue, 17 Oct 2017 10:05:29 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:55514) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e4SUW-0006QT-5j for bug-gnu-emacs@gnu.org; Tue, 17 Oct 2017 10:05:17 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e4SUQ-0004Tj-4u for bug-gnu-emacs@gnu.org; Tue, 17 Oct 2017 10:05:08 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:37732) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1e4SUQ-0004TX-2T for bug-gnu-emacs@gnu.org; Tue, 17 Oct 2017 10:05:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1e4SUP-0003AV-MF for bug-gnu-emacs@gnu.org; Tue, 17 Oct 2017 10:05:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Andreas Schwab Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 17 Oct 2017 14:05:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 28875 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 28875-submit@debbugs.gnu.org id=B28875.150824904212099 (code B ref 28875); Tue, 17 Oct 2017 14:05:01 +0000 Original-Received: (at 28875) by debbugs.gnu.org; 17 Oct 2017 14:04:02 +0000 Original-Received: from localhost ([127.0.0.1]:46413 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1e4STR-00038v-JG for submit@debbugs.gnu.org; Tue, 17 Oct 2017 10:04:01 -0400 Original-Received: from mx2.suse.de ([195.135.220.15]:49805) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1e4STN-00038d-2b for 28875@debbugs.gnu.org; Tue, 17 Oct 2017 10:04:00 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Original-Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 217D0ABED; Tue, 17 Oct 2017 14:03:56 +0000 (UTC) X-Yow: Of course, you UNDERSTAND about the PLAIDS in the SPIN CYCLE -- In-Reply-To: <87vajd2a1v.fsf@gmail.com> (Tino Calancha's message of "Tue, 17 Oct 2017 22:11:56 +0900") 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:138617 Archived-At: On Okt 17 2017, Tino Calancha wrote: > emacs -Q: > (let ((foo (make-temp-file "foo")) mode) > (with-file-modes #o755 (write-region "" nil foo nil 0)) > ;; (set-file-modes foo #o755) > (setq mode (nth 8 (file-attributes foo))) > (delete-file foo) mode) > => "-rw-------" > > To set foo file permissions to "-rwxr-xr-x" I need uncomment > (set-file-modes foo #o755) above. > Why? Is for security reasons? make-temp-file already creates the file (with restrictive modes), so with-file-modes has no effect (write-region does not change the mode of existing files). But write-region also never sets the x bits in the first place, it uses #o666 as the base mode. Andreas. -- Andreas Schwab, SUSE Labs, schwab@suse.de GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different."