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

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From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Michael Albinus <michael.albinus <at> gmx.de>
Cc: 10489 <at> debbugs.gnu.org, Thierry Volpiatto <thierry.volpiatto <at> gmail.com>
Subject: bug#10489: 24.0.92; dired-do-copy may create infinite directory hierarchy
Date: Fri, 13 Jan 2012 20:55:23 -0500

>> There's a crucial line missing between the above two.  It should clearly
>> document what this function is expected to do.  E.g. it should make it
>> clear if (and if so, to what extent) the function is allowed to refer to
>> the actual file system(s) as opposed to only relying on the
>> provided strings.
> If the file name strings are not obviously equal, `file-truename' will

I don't mean "document what the code currently does" but "document
what the code should do".

>   "Return non-nil if NAME1 and NAME2 refer to the same file in the file system.
> If either name is not absolute, then it is expanded relative to
> DIR (if given) or `default-directory' for the test."

That description is too vague: an implementation based on comparing
file-attributes would seem to fit, whereas it's clearly not the semantic
we want to provide.


        Stefan

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