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Re: copy-directory

From: Michael Albinus
Subject: Re: copy-directory
Date: Tue, 06 Oct 2009 19:26:36 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1.50 (gnu/linux)

David Kastrup <address@hidden> writes:

> Stefan Monnier <address@hidden> writes:
>>> Or shall we remove PRESERVE-UID-GID from `copy-directory'?
>> I guess we can remove it for now,
> I think that UID/GID should transparently be preserved when copying
> directories whenever possible (in particular when using /sudo:: methods
> or similar).  I don't think that there is an important usage case for
> "don't preserve UID/GID even if you could": it would likely imply
> copying a tree and turning it into root/root possession on today's
> systems.

Although it is not on my top priority, I would second David. A primitive
function `set-file-owner' would not harm, if it is explicitely said in
the docstring, that it works only in the cases the underlying OS
supports it.

And a Tramp file name handler could be called for this, useful at least
for "su" and "sudo" connections.

What I'm curious: does change ownership work for other systems, like
Win32? The smbclient, used in Tramp for "smb" connections, offers a
chown subcommand ... maybe it is applicable only, if there is a Samba
server at the other end.

Best regards, Michael.

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