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bug#1438: 23.0.60; Wrong file/directory completion in *shell* buffers

Subject: bug#1438: 23.0.60; Wrong file/directory completion in *shell* buffers
From: Tassilo Horn
Date: Thu, 27 Nov 2008 09:24:38 +0100
Newsgroups: gnu.emacs.bug


Please write in English if possible, because the Emacs maintainers
usually do not have translators to read other languages for them.

Your bug report will be posted to the emacs-pretest-bug@xxxxxxx mailing list.

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

With ZSH (and maybe some option I'm not aware of) you can go up one
directory by typing ".." as a shorthand for "cd ..".  Now I have this
directory tree.

foo/
foo/bar/
foo/baz/
foo/baz/one/
foo/baz/two/

I invoke `shell' and change to foo/baz/.  Now I type

  cd TAB

and the completion shows one/ and two/.  Now I go up one directory with
"..".  Another

  cd TAB

shows again the completions one/ and two/, but I'm in foo/ (as `pwd'
says) now and the correct completions would be bar/ and baz/.

So it seems `default-directory' is only updated with "cd ..", but not
for the shorthand "..".

The same applies if I have an alias xxx="cd foo/bar/baz".  Then

  xxx RET
  cd TAB

will print the completions for the directory I was before.

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/share/emacs/23.0.60/etc/DEBUG for instructions.


In GNU Emacs 23.0.60.1 (x86_64-pc-linux-gnu, GTK+ Version 2.14.4)
 of 2008-11-25 on thinkpad
Windowing system distributor `The X.Org Foundation', version 11.0.10502000
configured using `configure  '--prefix=/usr' '--host=x86_64-pc-linux-gnu' 
'--mandir=/usr/share/man' '--infodir=/usr/share/info' '--datadir=/usr/share' 
'--sysconfdir=/etc' '--localstatedir=/var/lib' '--libdir=/usr/lib64' 
'--program-suffix=-emacs-23' '--infodir=/usr/share/info/emacs-23' 
'--with-sound' '--with-x' '--with-toolkit-scroll-bars' '--with-gif' 
'--with-jpeg' '--with-png' '--with-rsvg' '--with-tiff' '--with-xpm' 
'--with-freetype' '--with-xft' '--with-libotf' '--with-m17n-flt' 
'--with-x-toolkit=gtk' '--without-hesiod' '--without-kerberos' 
'--without-kerberos5' '--with-gpm' '--with-dbus' '--build=x86_64-pc-linux-gnu' 
'build_alias=x86_64-pc-linux-gnu' 'host_alias=x86_64-pc-linux-gnu' 'CFLAGS=-g 
-ggdb -O1 -pipe' 'LDFLAGS=''

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_US.UTF-8
  value of $XMODIFIERS: nil
  locale-coding-system: utf-8-unix
  default-enable-multibyte-characters: t

Major mode: Group

Minor modes in effect:
  gnus-topic-mode: t
  gnus-undo-mode: t
  rcirc-track-minor-mode: t
  yas/minor-mode: t
  shell-dirtrack-mode: t
  recentf-mode: t
  iswitchb-mode: t
  window-number-meta-mode: t
  window-number-mode: t
  savehist-mode: t
  exec-abbrev-cmd-mode: t
  show-paren-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  global-auto-composition-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
<backspace> <backspace> <backspace> <backspace> b r 
i c h t SPC s i e SPC d a n n SPC w i e d e r SPC i 
m <backspace> <backspace> u m . . . <up> <up> <up> 
<up> <up> C-k C-k C-k C-k C-k C-k C-k C-k <return> 
g <tab> C-c C-c q <return> c <return> c <return> SPC 
SPC SPC SPC SPC c <return> <return> B <backspace> y 
q l s 1 g C-c s . . <return> . . <return> c d SPC j 
g r <tab> <backspace> <backspace> <backspace> <backspace> 
<backspace> <backspace> <backspace> <backspace> <backspace> 
<backspace> <backspace> <backspace> p w d <return> 
l s <return> c d SPC j g <tab> <tab> <tab> r <tab> 
<tab> <tab> <backspace> <backspace> <backspace> <backspace> 
<backspace> <backspace> <backspace> <backspace> <backspace> 
<backspace> <backspace> <backspace> <backspace> <backspace> 
<backspace> . . <return> c d SPC <tab> <backspace> 
<backspace> <backspace> <backspace> <backspace> <backspace> 
<backspace> <backspace> <backspace> <backspace> <backspace> 
<backspace> <backspace> <backspace> p w d <return> 
~ <return> c d SPC u n <tab> <tab> <tab> <backspace> 
<backspace> <backspace> <backspace> <backspace> <backspace> 
<backspace> <backspace> <backspace> <backspace> <tab> 
<tab> c d SPC <tab> <tab> <tab> <tab> <tab> <tab> . 
<tab> <return> C-x k <return> C-c s c d SPC u n <tab> 
r <tab> j g r <tab> <return> <escape> <escape> <escape> 
. . <return> c d SPC <tab> <tab> <backspace> <backspace> 
<backspace> <backspace> <backspace> <backspace> <backspace> 
<backspace> <backspace> c d SPC j g r a l a b <return> 
c d SPC <tab> <tab> <tab> <tab> <backspace> <backspace> 
<backspace> <backspace> <backspace> <backspace> <backspace> 
<backspace> l s <return> <escape> <escape> <escape> 
c d SPC <tab> <backspace> <backspace> <backspace> <backspace> 
<backspace> <backspace> <backspace> a n t <return> 
<switch-frame> M-x r e b <return> r p o r <tab> <backspace> 
<backspace> <backspace> e p o <tab> <return>

Recent messages:
Completed [2 times]
Partially completed
~/uni/repos/jgralab 
Type space to flush; repeat completion command to scroll
call-interactively: Text is read-only [6 times]
Type space to flush; repeat completion command to scroll
call-interactively: Text is read-only [5 times]
Type space to flush; repeat completion command to scroll
call-interactively: Text is read-only [4 times]
call-interactively: End of buffer [8 times]

-- 
No person,  no idea, and no  religion deserves to be  illegal to insult,
not even the Church of Emacs. (Richard M. Stallman)





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