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directory names ending with a colon confuse dired


From: Chris Moore
Subject: directory names ending with a colon confuse dired
Date: Fri, 22 Sep 2006 00:17:39 +0200

From: Chris Moore <address@hidden>
To: address@hidden
Subject: ads
Reply-to: Chris Moore <address@hidden>
FCC: ~/Mail/SENT
--text follows this line--
Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:


If I use 'dired' on a directory which has a subdirectory with a name
ending with a colon, and do a recursive directory listing in there, I
can't visit any files under subdirectories.

Here's an example:

Set up a new directory, 2 subdirectories and a file:

(debian) address@hidden:~$ mkdir /tmp/dir
(debian) address@hidden:~$ mkdir /tmp/dir/colon:
(debian) address@hidden:~$ mkdir /tmp/dir/subdir
(debian) address@hidden:~$ date > /tmp/dir/subdir/date.txt

Run dired on the dir, and add the 'R' flag to make the listing
recursive:

C-x d /tmp/dir RET C-u s R RET

The dired buffer looks like this:

----------
  /tmp/dir:
  total 1
  drwxr-xr-x  4 chris chris  96 2006-09-22 00:09 .
  drwxrwxrwt 13 root  root  512 2006-09-22 00:09 ..
  drwxr-xr-x  2 chris chris  48 2006-09-22 00:09 colon:
  drwxr-xr-x  2 chris chris  72 2006-09-22 00:09 subdir

  /tmp/dir/./colon::
  total 0
  drwxr-xr-x 2 chris chris 48 2006-09-22 00:09 .
  drwxr-xr-x 4 chris chris 96 2006-09-22 00:09 ..

  /tmp/dir/./subdir:
  total 4
  drwxr-xr-x 2 chris chris 72 2006-09-22 00:09 .
  drwxr-xr-x 4 chris chris 96 2006-09-22 00:09 ..
  -rw-r--r-- 1 chris chris 30 2006-09-22 00:09 date.txt
----------

If I move down to the 'date.txt' file and hit 'f' to find the file, I
see an error:

dired-get-file-for-visit: File no longer exists; type `g' to update
dired buffer

Notice the '/./' in the paths in the dired buffer.  This doesn't happen
if the 'colon:' directory is removed.

I suspect Emacs is looking for the "/tmp/dir/./subdir:" line to work out
which directory to find the file in, and getting confused by the line
ending "colon:".  Will the "/tmp/dir/./subdir:" line always begin with a
'/'?  If so, that would be a way not to get confused.

Chris.





If emacs crashed, and you have the emacs process in the gdb debugger,
please include the output from the following gdb commands:
    `bt full' and `xbacktrace'.
If you would like to further debug the crash, please read the file
/usr/local/share/emacs/22.0.50/etc/DEBUG for instructions.


In GNU Emacs 22.0.50.156 (i686-pc-linux-gnu, GTK+ Version 2.8.20)
 of 2006-09-17 on chrislap
X server distributor `The X.Org Foundation', version 11.0.70101000
configured using `configure '--with-gtk' '--with-xpm' '--with-jpeg'
'--with-png' '--with-gif''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_GB.UTF-8
  locale-coding-system: utf-8
  default-enable-multibyte-characters: t

Major mode: Dired by name

Minor modes in effect:
  show-paren-mode: t
  display-time-mode: t
  iswitchb-mode: t
  dynamic-completion-mode: t
  shell-dirtrack-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  unify-8859-on-encoding-mode: t
  utf-translate-cjk-mode: t
  auto-compression-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
<backspace> s C-x o C-u s R C-g C-x o C-b <escape> 
<backspace> C-r C-r C-e SPC r SPC R E T C-x o C-u s 
r <return> C-u s <backspace> R <return> C-x o C-b C-b 
C-b C-b <backspace> R C-x o n n n n n n n n n n n n 
f f f f f f g f C-x o C-e C-q C-j C-x o C-p C-p C-p 
C-p C-a C-SPC C-n C-n C-n C-n C-n <escape> w C-x o 
C-y C-x o <escape> x r e p o r SPC <tab> e <backspace> 
<return>

Recent messages:

Copy: 1 of 1
Copy: 1 file
Quit
dired-get-file-for-visit: File no longer exists; type `g' to update
dired buffer
J-Shell, version 2.1
Quit [3 times]
dired-get-file-for-visit: File no longer exists; type `g' to update
dired buffer [7 times]
Mark set [2 times]
Loading emacsbug...done






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