From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Vincent Lefevre Newsgroups: gmane.emacs.bugs Subject: bug#18851: 24.4; emacs cannot be started if the current directory has been removed Date: Wed, 29 Oct 2014 09:09:39 +0100 Message-ID: <20141029080939.GT4400@xvii.vinc17.org> References: <87h9ypiqmm.fsf@xvii.vinc17.org> <8k61f398u4.fsf@fencepost.gnu.org> <20141029012802.GS4400@xvii.vinc17.org> <83y4rz1qmj.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Trace: ger.gmane.org 1414570222 3442 80.91.229.3 (29 Oct 2014 08:10:22 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 29 Oct 2014 08:10:22 +0000 (UTC) Cc: 18851@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Oct 29 09:10:16 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 1XjOKe-0007xH-1U for geb-bug-gnu-emacs@m.gmane.org; Wed, 29 Oct 2014 09:10:16 +0100 Original-Received: from localhost ([::1]:43848 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XjOKd-0002Yt-Ge for geb-bug-gnu-emacs@m.gmane.org; Wed, 29 Oct 2014 04:10:15 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:48932) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XjOKV-0002XA-Ku for bug-gnu-emacs@gnu.org; Wed, 29 Oct 2014 04:10:12 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XjOKQ-0005Jl-De for bug-gnu-emacs@gnu.org; Wed, 29 Oct 2014 04:10:07 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:46211) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XjOKQ-0005Jf-BC for bug-gnu-emacs@gnu.org; Wed, 29 Oct 2014 04:10:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1XjOKP-0007KN-Pb for bug-gnu-emacs@gnu.org; Wed, 29 Oct 2014 04:10:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Vincent Lefevre Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 29 Oct 2014 08:10:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 18851 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 18851-submit@debbugs.gnu.org id=B18851.141457018528137 (code B ref 18851); Wed, 29 Oct 2014 08:10:01 +0000 Original-Received: (at 18851) by debbugs.gnu.org; 29 Oct 2014 08:09:45 +0000 Original-Received: from localhost ([127.0.0.1]:38309 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XjOK8-0007Jk-82 for submit@debbugs.gnu.org; Wed, 29 Oct 2014 04:09:44 -0400 Original-Received: from ioooi.vinc17.net ([92.243.22.117]:55404) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XjOK5-0007Ja-A9 for 18851@debbugs.gnu.org; Wed, 29 Oct 2014 04:09:42 -0400 Original-Received: from smtp-xvii.vinc17.net (128.119.75.86.rev.sfr.net [86.75.119.128]) by ioooi.vinc17.net (Postfix) with ESMTPSA id 42F5A157; Wed, 29 Oct 2014 09:09:40 +0100 (CET) Original-Received: by xvii.vinc17.org (Postfix, from userid 1000) id D899321A07A; Wed, 29 Oct 2014 09:09:39 +0100 (CET) Content-Disposition: inline In-Reply-To: <83y4rz1qmj.fsf@gnu.org> X-Mailer-Info: http://www.vinc17.net/mutt/ User-Agent: Mutt/1.5.23-6365-vl-r59709 (2014-09-07) 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:95236 On 2014-10-29 05:50:12 +0200, Eli Zaretskii wrote: > > Date: Wed, 29 Oct 2014 02:28:02 +0100 > > From: Vincent Lefevre > > Cc: 18851@debbugs.gnu.org > > > > On 2014-10-28 17:34:59 -0400, Glenn Morris wrote: > > > Vincent Lefevre wrote: > > > > > > > Emacs cannot be started if the current directory has been removed: > > > > > > It's easy to change that so that it switches to HOME instead (let's not > > > worry about the case of HOME being missing too!); see patch at end. > > > > Is there any reason to switch to another directory? Why doesn't > > Emacs just ignore that the current directory has been removed > > (and report errors only when an access to it is really needed)? > > Because Emacs needs to pretend to the user that it runs _in_ that > directory, so that relative file names work as you'd expect. I don't expect anything about reative file names. But if I type "emacs foo", opening file "foo" from $HOME would be bad. > In this regard, Emacs is like the shell. The shell has no problems when the current directory has been removed. It can still run without needing to switch to $HOME. > > Note that the current directory can also be removed after Emacs > > is started, so I expect that Emacs already supports cases like > > that. > > No, it does not. Either the OS leaves the directory in existence > until Emacs exits, or the OS prevents you from removing it. Linux does neither. -- Vincent Lefèvre - Web: 100% accessible validated (X)HTML - Blog: Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)