From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Glenn Morris Newsgroups: gmane.emacs.bugs Subject: bug#18891: Doesn't handle pwd = /C: very well Date: Tue, 04 Nov 2014 13:58:10 -0500 Message-ID: References: <87d293dtc5.fsf@gmx.de> <83lhnqvqt9.fsf@gnu.org> <87sihysszn.fsf@gmx.de> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1415127554 30187 80.91.229.3 (4 Nov 2014 18:59:14 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 4 Nov 2014 18:59:14 +0000 (UTC) Cc: 18891@debbugs.gnu.org To: Michael Albinus Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Nov 04 19:59:07 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 1XljJq-0001ex-HF for geb-bug-gnu-emacs@m.gmane.org; Tue, 04 Nov 2014 19:59:06 +0100 Original-Received: from localhost ([::1]:42357 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XljJq-0003AA-83 for geb-bug-gnu-emacs@m.gmane.org; Tue, 04 Nov 2014 13:59:06 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:55994) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XljJn-00039W-AO for bug-gnu-emacs@gnu.org; Tue, 04 Nov 2014 13:59:04 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XljJm-0006cb-HF for bug-gnu-emacs@gnu.org; Tue, 04 Nov 2014 13:59:03 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:51905) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XljJm-0006cW-Dq for bug-gnu-emacs@gnu.org; Tue, 04 Nov 2014 13:59:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1XljJl-0001xj-VX for bug-gnu-emacs@gnu.org; Tue, 04 Nov 2014 13:59:02 -0500 X-Loop: help-debbugs@gnu.org In-Reply-To: Resent-From: Glenn Morris Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 04 Nov 2014 18:59:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 18891 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 18891-submit@debbugs.gnu.org id=B18891.14151274937480 (code B ref 18891); Tue, 04 Nov 2014 18:59:01 +0000 Original-Received: (at 18891) by debbugs.gnu.org; 4 Nov 2014 18:58:13 +0000 Original-Received: from localhost ([127.0.0.1]:49118 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XljIz-0001wZ-2u for submit@debbugs.gnu.org; Tue, 04 Nov 2014 13:58:13 -0500 Original-Received: from fencepost.gnu.org ([208.118.235.10]:37024) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XljIy-0001wR-2V for 18891@debbugs.gnu.org; Tue, 04 Nov 2014 13:58:12 -0500 Original-Received: from rgm by fencepost.gnu.org with local (Exim 4.71) (envelope-from ) id 1XljIw-0008Su-7Z; Tue, 04 Nov 2014 13:58:10 -0500 X-Spook: rs9512c Mole Steve Case bootleg airframe threat Israel X-Ran: !eLy!+{lk7}Tv`|Jz2ZP#rp3UIZ_J7YEq|a()cYX@b}MbpErkc>4eAlNz)TC:UIu8cF|mL X-Hue: blue X-Attribution: GM User-Agent: Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) 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:95492 Michael Albinus wrote: > There could be undesired side effects. File name handlers are invoked > only if the file *name* matches a corresponding regexp, nothing else. If > you want to make checks on the file system itself, it would result at > least in performance penalties. > > Not to speak about cases where it is not possible. > > (substitute-in-file-name "/C:/$FOO") requires the expansion of > $FOO. That's the task of Tramp, according to that file name. Nothing you > can check before invoking Tramp, because you don't know the value of $FOO. Well, it seems to me that so long as the Tramp file name syntax can also match a real local file name, you cannot avoid testing for the existence of such a file. If you are saying that needs to be done in Tramp rather than before Tramp is invoked, fine by me.