GNU bug report logs - #10489
24.0.92; dired-do-copy may create infinite directory hierarchy

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Message #59 received at 10489 <at> debbugs.gnu.org (full text, mbox):

From: Michael Albinus <michael.albinus <at> gmx.de>
To: Juanma Barranquero <lekktu <at> gmail.com>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 10489 <at> debbugs.gnu.org,
	Thierry Volpiatto <thierry.volpiatto <at> gmail.com>
Subject: Re: bug#10489: 24.0.92;
	dired-do-copy may create infinite directory hierarchy
Date: Fri, 13 Jan 2012 14:32:32 +0100

Juanma Barranquero <lekktu <at> gmail.com> writes:

>>  (compare-strings (file-truename (expand-file-name name1 dir)) 0 nil
>>                   (file-truename (expand-file-name name2 dir)) 0 nil
>>                   read-file-name-completion-ignore-case))
>
> I think we should push for it to be added to Emacs, if only for the
> thrill of having a ChangeLog entry
>
> 2012-01-13  Michael Albinus <michael.albinus <at> gmx.de>
> 	    Juanma Barranquero  <lekktu <at> gmail.com>
> 	    Eli Zaretskii <eliz <at> gnu.org>
>
> 	* files.el (file-name-compare): New function.
>
> i.e., three authors for a three-line function (plus header and comments) ;-)

Perfect reasoning, I'm for it :-)

Thinking about, `file-truename' would need some massage for the remote
case. Currently, it just expands symlinks. But it could also do some
normalization for the user and host name. For example:

(file-truename "/ssh:127.0.0.1:/path/to/symlink")
 => "/ssh:albinus <at> localhost:/extend/path/to/file"

But that's for Emacs 24.2, of course.

> Juanma

Best regards, Michael.

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