bug#394: marked as done (wdired-change-to-wdired-mode can cause file deletion)

[Emacs bug Tracking System]

Your message dated Sat, 14 Jun 2008 13:01:52 -0400
with message-id <jwv63scdk9t.fsf-monnier+emacsbugreports@gnu.org>
and subject line Re: bug#394: wdired-change-to-wdired-mode can cause file 
deletion
has caused the Emacs bug report #394,
regarding wdired-change-to-wdired-mode can cause file deletion
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
bug report if necessary, and/or fix the problem forthwith.

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-- 
394: http://emacsbugs.donarmstrong.com/cgi-bin/bugreport.cgi?bug=394
Emacs Bug Tracking System
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> --- Begin Message ---
>
>
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> Subject: 
>
> wdired-change-to-wdired-mode can cause file deletion
>
>
>
>
> Date: 
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> Thu, 12 Jun 2008 01:39:07 -0700
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>
>
>
> In dired, do M-x wdired-change-to-wdired-mode.
>
> Then, swap 2 files's names.
>
> Emacs will ask if the first file should be overwritten. If answer  
> yes, it'll be deleted, and it wont be renamed. i.e. you lose a file.
>
> This can be reproduced if you created 2 files, one named A and other  
> B. Then renamed them to B and A. (Possibly you will need to create 3  
> files and rename in particular cycle depending on how emacs choose  
> the order to rename... The key is to get emacs to prompte for the  
> overwrite of a file that should be renamed to something else later.)
>
> This behavior is slightly unexpected and caused me to retrieve from  
> my backup disk. (the files are images and never edited, so it isn't  
> in emacs's backup)
>
>   Xah
> ∑ http://xahlee.org/
>
> ☄
>
>
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#394: wdired-change-to-wdired-mode can cause file deletion
>
>
>
>
> Date: 
>
> Sat, 14 Jun 2008 13:01:52 -0400
>
>
>
>
> User-agent: 
>
> Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux)
>
>
>
>
> > In dired, do M-x wdired-change-to-wdired-mode.
> > Then, swap 2 files's names.
> > Emacs will ask if the first file should be overwritten. If answer yes, it'll
> > be deleted, and it wont be renamed. i.e. you lose a file.
>
> Indeed, dired's rename is a "parallel" rename, whereas our underlying
> C primitives only offer sequential renaming, so we need to de more work
> to handle those cases.
>
> I've installed a patch into the CVS trunk which should fix it (or at
> least catch the problem before it's too late).
>
>
>         Stefan
>
>
> --- End Message ---