From: Kevin Rodgers <kevin.d.rodgers@gmail.com>
To: emacs-devel@gnu.org
Subject: Re: .dir-locals.el
Date: Wed, 07 Jan 2009 20:04:23 -0700 [thread overview]
Message-ID: <gk3qem$4b0$1@ger.gmane.org> (raw)
In-Reply-To: <87hc4ak6b9.fsf@gmail.com>
Eric Schulte wrote:
> Is there a good way to apply the variables set in .dir-locals.el when
> changing into and out of a directory in eshell (or I suppose in other
> Emacs shells as well)?
>
> I've tried setting eshell as a mode in the .dir-locals.el file but with
> no success. I've also tried to define after-advice on the `cd' function
> in eshell, but there doesn't appear to be any means for applying local
> variables to a buffer which doesn't have a file-name.
>
> (defadvice cd (after dir-locals-on-cd activate)
> "Apply the variables defined in .dir-locals.el when changing
> into and outof a directory in eshell."
> (hack-dir-local-variables))
>
> Fails because `hack-dir-local-variables' checks that the buffer is
> visiting a file before applying the variables.
>
> Is there a supported way to do this?
>
> If not should I write a new function for this?
>
> If so should it be included in the dir-locals.el functionality?
>
> If not is there a reason to only allow setting local variables for
> buffers visiting files?
I don't know. But you should be able to get your advice to work by
let-binding buffer-file-name to default-directory around the call to
hack-dir-local-variables.
Or perhaps to (expand-file-name "foo").
--
Kevin Rodgers
Denver, Colorado, USA
next prev parent reply other threads:[~2009-01-08 3:04 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-26 15:18 .dir-locals.el Eli Zaretskii
2008-12-26 16:04 ` .dir-locals.el Eli Zaretskii
2008-12-27 2:39 ` .dir-locals.el Miles Bader
2008-12-27 9:33 ` .dir-locals.el Eli Zaretskii
2008-12-27 16:43 ` .dir-locals.el Juanma Barranquero
2008-12-27 17:13 ` .dir-locals.el Dan Nicolaescu
2008-12-27 19:04 ` .dir-locals.el Eli Zaretskii
2009-01-08 0:08 ` .dir-locals.el Eric Schulte
2009-01-08 3:04 ` Kevin Rodgers [this message]
2009-01-08 5:53 ` .dir-locals.el Eric Schulte
2009-01-08 16:30 ` .dir-locals.el Stefan Monnier
2009-01-08 22:45 ` .dir-locals.el Juri Linkov
2009-01-09 3:14 ` .dir-locals.el Stefan Monnier
2009-01-09 0:30 ` .dir-locals.el Eric Schulte
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