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Re: tramp (2.0.50); tramp-backup-directory-alist doesn't work as expecte

From: Michael Albinus
Subject: Re: tramp (2.0.50); tramp-backup-directory-alist doesn't work as expected
Date: Wed, 05 Oct 2005 23:00:19 +0200
User-agent: Gnus/5.110004 (No Gnus v0.4) Emacs/22.0.50 (gnu/linux)

Sascha Wilde <address@hidden> writes:

> Hi *,

Hi Sascha,

> In my .emacs I use:
> ;;; BackUps should be written to ~/.emacs-backup-files
> (add-to-list 'backup-directory-alist 
>              (cons "." (expand-file-name "~/.emacs-backup-files")))
> ;;; for tramp, too
> (setq tramp-backup-directory-alist backup-directory-alist)
> which is quite similar to the example from, however, when
> saving a remote file an error is reported in the mini-buffer:
>   "Cannot write backup file; backing up in %backup%~"
> The attached tramp buffer pops up and the backup is written only to
> %backup%~, as stated by the error message.
> Am I missing something or is this a bug?

You have the following settings:

>  tramp-backup-directory-alist '(("." . "/home/wilde/.emacs-backup-files"))
>  backup-directory-alist '(("." . "/home/wilde/.emacs-backup-files"))

It is not exactly the same as in the Tramp manual, because you have
used `expand-file-name'. This results in writing backup files on the
remote host under "/home/wilde/.emacs-backup-files" - maybe this
directory doesn't exist there, and it will fail, if you login under
another user name. So I recommend NOT to expand the file name in
`backup-directory-alist'; the tilde expansion should work.

> cheers
> sascha

Best regards, Michael.

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