GNU bug report logs - #6146
23.1; Problem with vc-next-action

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Glenn Morris <rgm <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#6146: closed (23.1; Problem with vc-next-action)
Date: Mon, 07 Mar 2011 09:01:01 +0000

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Your message dated Mon, 07 Mar 2011 04:00:20 -0500
with message-id <aiy64rwbiz.fsf <at> fencepost.gnu.org>
and subject line Re: 23.1; Problem with vc-next-action
has caused the GNU bug report #6146,
regarding 23.1; Problem with vc-next-action
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


-- 
6146: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=6146
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Contact help-debbugs <at> gnu.org with problems

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From: rrt <at> sc3d.org
To: bug-gnu-emacs <at> gnu.org
Subject: 23.1; Problem with vc-next-action
Date: Sun, 9 May 2010 18:52:28 +0100

Attempting to run C-x v v from a *vc-dir* buffer (in this case, for a
git repository), I was prompted with:

<FILE> is edited but read-only; make it writable and continue?(y or n)

When I press “y” I get the error:

Wrong type argument: number-or-marker-p, nil

There are at least three things wrong here:

1. In the prompt mentioned above, “(y or n)” needs a space before it.

2. The file that was diagnosed as read only was not read-only: it had
   perms -rw-r-----, and emacs was running under the owner’s uid.

3. The error mentioned above. I get the following backtrace:

Debugger entered--Lisp error: (wrong-type-argument number-or-marker-p nil)
  logior(nil 128)
  vc-next-action(nil)
  call-interactively(vc-next-action nil nil)


In GNU Emacs 23.1.1 (i486-pc-linux-gnu, GTK+ Version 2.20.0)
 of 2010-03-29 on rothera, modified by Debian
Windowing system distributor `The X.Org Foundation', version 11.0.10706000
configured using `configure  '--build=i486-linux-gnu' '--host=i486-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib' '--libexecdir=/usr/lib' '--localstatedir=/var/lib' '--infodir=/usr/share/info' '--mandir=/usr/share/man' '--with-pop=yes' '--enable-locallisppath=/etc/emacs23:/etc/emacs:/usr/local/share/emacs/23.1/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/23.1/site-lisp:/usr/share/emacs/site-lisp:/usr/share/emacs/23.1/leim' '--with-x=yes' '--with-x-toolkit=gtk' '--with-toolkit-scroll-bars' 'build_alias=i486-linux-gnu' 'host_alias=i486-linux-gnu' 'CFLAGS=-DDEBIAN -g -O2' 'LDFLAGS=-g' 'CPPFLAGS=''

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

Major mode: Emacs-Lisp

Minor modes in effect:
  diff-auto-refine-mode: t
  filladapt-mode: t
  show-paren-mode: t
  savehist-mode: t
  minibuffer-electric-default-mode: t
  iswitchb-mode: t
  icomplete-mode: t
  global-auto-revert-mode: t
  desktop-save-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:
C-n C-n C-p <return> <down> <down> <down> <down> <down> 
<down> <down> <down> <down> <down> <down> <down> <down> 
<down> <down> <down> <down> <down> <down> <down> <down> 
<down> <down> <down> <down> <down> <down> <down> M-x 
d e b u g - o n - e <tab> C-g C-h f d e b u g - o n 
- e n t r y <return> C-x b <return> M-: ( d e b u g 
- o n - C-g M-x s e t - v a r i <tab> <return> d e 
b u g - o n e r <tab> <backspace> <backspace> - e r 
<tab> <return> t <return> C-x b C-s <return> C-x v 
v y C-n C-p C-f C-f C-f C-f C-f C-n <return> C-s l 
o g i o r C-a <right> <right> <right> <right> <right> 
<right> <right> <right> <right> <right> <right> <right> 
<right> <right> <right> <right> <right> <right> <right> 
<right> <right> <right> <right> <right> <right> <right> 
<right> <right> <right> <right> <right> <prior> <prior> 
M-< C-s l o g i o r <left> <left> <left> <left> C-h 
f <return> C-x k <return> C-x b * s h C-g C-x b s e 
a <return> C-x C-f C-g M-x C-g C-x d <return> C-s s 
e a r c h . c C-a <right> <right> <right> <right> <right> 
<right> <right> <right> <right> <right> <right> <right> 
<right> <left> <left> <left> <left> <left> <left> <left> 
<left> <left> <left> <left> <left> <left> <right> <right> 
C-x b C-s <return> <up> <up> <up> <up> <up> <up> <up> 
<up> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up> 
<up> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up> 
<up> M-x e m a c s <backspace> <backspace> <backspace> 
<backspace> <backspace> r e p o r t - b <backspace> 
e m <tab> <return>

Recent messages:
Quit [2 times]
/home/rrt/Software/zile-stable/src/src/search.c is edited but read-only; make it writable and continue?(y or n) 
Entering debugger...
uncompressing vc.el.gz...done
Note: file is write protected
Mark saved where search started
Mark set
Mark saved where search started
Quit [3 times]
Mark saved where search started

[Message part 3 (message/rfc822, inline)]

From: Glenn Morris <rgm <at> gnu.org>
To: 6146-done <at> debbugs.gnu.org
Subject: Re: 23.1; Problem with vc-next-action
Date: Mon, 07 Mar 2011 04:00:20 -0500

rrt <at> sc3d.org wrote:

> 1. In the prompt mentioned above, (y or n) needs a space before it.

Fixed.

> 2. The file that was diagnosed as read only was not read-only: it had
>    perms -rw-r-----, and emacs was running under the owner’s uid.
>
> 3. The error mentioned above. I get the following backtrace:
>
> Debugger entered--Lisp error: (wrong-type-argument number-or-marker-p nil)

The only explanation I can come up with for 2 and 3 is that you somehow
lost execute permissions on the directory. Anyway, I made it give a more
explicit error if it fails to make the file writable. The user will have
to sort out whatever the problem is in such a case.

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