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From: Vincent Lefevre <vincent@vinc17.net>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 18851@debbugs.gnu.org
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	[thread overview]
Message-ID: <20141029080939.GT4400@xvii.vinc17.org> (raw)
In-Reply-To: <83y4rz1qmj.fsf@gnu.org>

On 2014-10-29 05:50:12 +0200, Eli Zaretskii wrote:
> > Date: Wed, 29 Oct 2014 02:28:02 +0100
> > From: Vincent Lefevre <vincent@vinc17.net>
> > 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 <vincent@vinc17.net> - Web: <https://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)





  reply	other threads:[~2014-10-29  8:09 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-27 13:33 bug#18851: 24.4; emacs cannot be started if the current directory has been removed Vincent Lefevre
2014-10-28 21:34 ` Glenn Morris
2014-10-29  1:28   ` Vincent Lefevre
2014-10-29  3:50     ` Eli Zaretskii
2014-10-29  8:09       ` Vincent Lefevre [this message]
2014-10-29 12:57         ` Stefan Monnier
2014-10-29 14:27           ` Eli Zaretskii
2014-10-29 15:39             ` Vincent Lefevre
2014-10-29 16:07               ` Eli Zaretskii
2014-10-29 16:44                 ` Vincent Lefevre
2014-10-29 16:15               ` Andreas Schwab
2014-10-29 16:51                 ` Vincent Lefevre
2014-10-29 17:31                   ` Andreas Schwab
2014-10-29 17:45                     ` Vincent Lefevre
2014-10-29 18:23                       ` Ivan Shmakov
2014-10-29 21:11                         ` Andreas Schwab
2014-10-30  0:39               ` Stefan Monnier
2015-06-12  0:39                 ` Glenn Morris
2015-06-12  7:53                   ` Eli Zaretskii
2015-06-12 15:45                     ` Glenn Morris
2015-06-12 19:31                       ` Eli Zaretskii
2015-06-13  1:29                         ` Glenn Morris
2015-06-13  7:56                           ` Eli Zaretskii
2015-06-13 23:45                             ` Glenn Morris
2014-10-29 14:23         ` Eli Zaretskii
2014-10-29 15:39           ` Andreas Schwab
2014-10-29 16:00             ` Eli Zaretskii
2014-10-29 16:05           ` Vincent Lefevre
2014-10-29 16:21             ` Eli Zaretskii
2014-10-29  3:40   ` Eli Zaretskii
2014-10-29 10:57   ` Emacs bugs at the Debian BTS Ivan Shmakov

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