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

[Thierry Volpiatto]

Thanks Michael for explanation.

Michael Albinus <michael.albinus@gmx.de> writes:

> Thierry Volpiatto <thierry.volpiatto@gmail.com> writes:
>
>> How do you compare two files with file-attributes?
>> Locally, equal is ok, but when using /sudo::.. the gid-change, inode
>> and device-num are differents:
>
> This must be implemented by respective file name handlers, like
> `tramp-handle-file-equal-p', `ange-ftp-file-equal-p', `url-file-equal-p' ...
>
>> /sudo::/home/thierry/Test
>>
>> (:type t :links 2 :uid "thierry" :gid "thierry" :access-time
>>        (20241 21214)
>>        :modif-time
>>        (20241 20731)
>>        :status
>>        (20241 20731)
>>        :size 4096 :mode "drwxrwxr-x" :gid-change t 
>>        :inode (70 . 10917)
>>        :device-num (-1 . 0))
>
> `tramp-*-handle-file-attributes' create virtual inodes and device
> numbers. They cannot be used directly for comparison.
>
> Same for `ange-ftp-file-attributes'.
>
>> Thanks.
>
> Best regards, Michael.

-- 
  Thierry
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