Re: master 7a5f2b79e9: ; * lisp/dired.el (dired-mouse-drag): Create local copy if file is remote.

[Michael Albinus <michael.albinus@gmx.de>]

Po Lu via Mailing list for Emacs changes <emacs-diffs@gnu.org> writes:

Hi,

>     ; * lisp/dired.el (dired-mouse-drag): Create local copy if file is remote.
>
> +              (let ((filename (with-selected-window (posn-window
> +                                                     (event-end event))
> +                                (dired-file-name-at-point))))
> +                (when filename
> +                  ;; In theory x-dnd-username combined with a proper
> +                  ;; file URI containing the hostname of the remote
> +                  ;; server could be used here instead of creating a
> +                  ;; local copy of the remote file, but no program
> +                  ;; actually implements file DND according to the
> +                  ;; spec.
> +                  (when (file-remote-p filename)
> +                    (setq filename (file-local-copy filename)))
> +                  (gui-backend-set-selection 'XdndSelection filename)
> +                  (x-begin-drag '("text/uri-list"
> +                                  "text/x-dnd-username")
> +                                (if (eq 'dired-mouse-drag-files 'link)
> +                                    'XdndActionLink
> +                                  'XdndActionCopy)
> +                                nil nil t)))

Reading the code, it looks to me like you need to remove the local copy
later. Otherwise, it will trash your temp directory.

Best regards, Michael.