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bug#10489: 24.0.92; dired-do-copy may create infinite directory hierarch


From: Thierry Volpiatto
Subject: bug#10489: 24.0.92; dired-do-copy may create infinite directory hierarchy
Date: Mon, 27 Feb 2012 09:04:24 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.93 (gnu/linux)

Stefan Monnier <address@hidden> writes:

>> I have modified files-equal-p and file-subdir-of-p to work with
>> non--existing files,
>
> Calling files-equal-p on non-existing files makes no sense, so I don't
> think we should support it (at least not until we have concrete
> evidence that it is needed, at which point we can decide what we intend
> it to mean).
It is useful to handle e.g
(copy-directory "~/test" "~/test/test1")
where test1 is a non--existing directory.
Actually a check is done once test1 is build and stop the loop, 
so this would avoid creating an unuseful new directory.

We could give an optional arg noexist to files-equal-p.

-- 
  Thierry
Get my Gnupg key:
gpg --keyserver pgp.mit.edu --recv-keys 59F29997 





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