Re: version 2.3.3.26.1: dired-do-rename on remote dir becomes a copy

[Michael Albinus]

Peter Mao <address@hidden> writes:

Hi Peter,

> On setup #2, accessing a remote directory, when I rename a
> subdirectory, it takes a long time because the move turns into a copy
> command, which takes a long time (for large directories).  This is
> true whether I use 'scp', 'ssh', or '-' (which is scp) as the
> connection method.
>
> I looked into the dired and wdired code between the two versions of
> emacs and found nothing substantially different between the versions.

This is <https://debbugs.gnu.org/cgi/bugreport.cgi?bug=31941>. It is
solved for Emacs 26.2, currently under pretest.

It is solved also in Tramp 2.3.4, released last summer. If you don't
want to wait for Emacs 26.2, you could try this Tramp release.

> Also, possibly related, but not fully vetted, I find that a
> command-line rsync is much faster than copying directories using tramp
> (again, with method scp or ssh).

Have you tried Tramp's rsync method?

> Peter

Best regards, Michael.