Stefan Monnier <monnier@iro.umontreal.ca> writes:

>> Here a first shot of `copy-directory', with the first check disabled
>> (file-subdir-of-p) to test the detection of the inf-loop, can you have a
>> look?
>
> I think we can install the file-subdir-of-p test now and leave the rest
> for 24.2.  Can you (re)send the corresponding patch?  Note that
> (or (files-equal-p directory newname)
>     (file-subdir-of-p newname directory))
> should be replaced by just (file-subdir-of-p newname directory), because
> this primitive should be a "⊆" rather than "⊂".
Done, you should have received the patch. 

>
> I always prefer a patch rather than the resulting code, so I don't have
> to look for the source code to see what's changed.
Ok, here the patch for only `copy-directory' with the check by
`file-subdir-of-p' disabled for testing purpose.