From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#17330: files.el cd-absolute overcome false negative from file-executable-p Date: Tue, 06 May 2014 08:46:27 -0400 Message-ID: References: <83r449zf3s.fsf@gnu.org> <92953814-A584-41C4-940A-E58514E423AB@bluewin.ch> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1399413762 24909 80.91.229.3 (6 May 2014 22:02:42 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 6 May 2014 22:02:42 +0000 (UTC) Cc: 17330@debbugs.gnu.org To: Philip Hodges Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed May 07 00:02:35 2014 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1WhnQI-00015O-MO for geb-bug-gnu-emacs@m.gmane.org; Wed, 07 May 2014 00:01:14 +0200 Original-Received: from localhost ([::1]:35037 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WhemH-0000SB-CN for geb-bug-gnu-emacs@m.gmane.org; Tue, 06 May 2014 08:47:21 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:34288) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Whem7-0000R7-QZ for bug-gnu-emacs@gnu.org; Tue, 06 May 2014 08:47:19 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Whelz-0006vz-M4 for bug-gnu-emacs@gnu.org; Tue, 06 May 2014 08:47:11 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:35096) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Whelz-0006vs-I4 for bug-gnu-emacs@gnu.org; Tue, 06 May 2014 08:47:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1Whely-0005Nx-KB for bug-gnu-emacs@gnu.org; Tue, 06 May 2014 08:47:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 06 May 2014 12:47:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 17330 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 17330-submit@debbugs.gnu.org id=B17330.139938040020670 (code B ref 17330); Tue, 06 May 2014 12:47:02 +0000 Original-Received: (at 17330) by debbugs.gnu.org; 6 May 2014 12:46:40 +0000 Original-Received: from localhost ([127.0.0.1]:52447 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1WhelZ-0005NH-ND for submit@debbugs.gnu.org; Tue, 06 May 2014 08:46:39 -0400 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.181]:63433) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1WhelV-0005Mv-S7 for 17330@debbugs.gnu.org; Tue, 06 May 2014 08:46:34 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArUGAIDvNVNLd/4Y/2dsb2JhbABZgwaDSsA9gRcXdIIlAQEBAQIBViMFCws0EhQYDSSIBAjSGReOegeEOASpGYFqgXGBWyE X-IPAS-Result: ArUGAIDvNVNLd/4Y/2dsb2JhbABZgwaDSsA9gRcXdIIlAQEBAQIBViMFCws0EhQYDSSIBAjSGReOegeEOASpGYFqgXGBWyE X-IronPort-AV: E=Sophos;i="4.97,753,1389762000"; d="scan'208";a="61629955" Original-Received: from 75-119-254-24.dsl.teksavvy.com (HELO pastel.home) ([75.119.254.24]) by ironport2-out.teksavvy.com with ESMTP/TLS/ADH-AES256-SHA; 06 May 2014 08:46:27 -0400 Original-Received: by pastel.home (Postfix, from userid 20848) id 92914607F4; Tue, 6 May 2014 08:46:27 -0400 (EDT) In-Reply-To: <92953814-A584-41C4-940A-E58514E423AB@bluewin.ch> (Philip Hodges's message of "Tue, 6 May 2014 00:43:27 +0200") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:88656 Archived-At: > After discovering that even C functions can be redefined, today I "activated > an advice" so that all file-executable-p C code calls from Lisp return t. > No unexpected refusals, no noticeable downsides, no waiting months for > C code changes to appear in a new official release. The changes being discussed are to `cd-absolute' which is an Elisp function, so no need for recompilation. E.g. if you add (defun cd-absolute (dir) "Change current directory to given absolute file name DIR." ;; Put the name into directory syntax now, ;; because otherwise expand-file-name may give some bad results. (setq dir (file-name-as-directory dir)) ;; We used to additionally call abbreviate-file-name here, for an ;; unknown reason. Problem is that most buffers are setup ;; without going through cd-absolute and don't call ;; abbreviate-file-name on their default-directory, so the few that ;; do end up using a superficially different directory. (setq dir (expand-file-name dir)) (if (not (file-directory-p dir)) (if (file-exists-p dir) (error "%s is not a directory" dir) (error "%s: no such directory" dir)) (unless (file-accessible-directory-p dir) (error "Cannot cd to %s: Permission denied" dir)) (setq default-directory dir) (setq list-buffers-directory dir))) to your .emacs, does it fix the problem for you? Stefan