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Re: Possible to hook into Emacs's buffer name generation?

From: Óscar Fuentes
Subject: Re: Possible to hook into Emacs's buffer name generation?
Date: Fri, 18 Feb 2011 02:37:52 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

Sean McAfee <address@hidden> writes:


> I thought it might be cool to have Emacs automatically name buffers that
> are visiting files in my repository with a trailing "<component-x.y.z>"
> when I open them, where component-x.y.z is simply the closest directory
> name above the file that matches that pattern.

See if this helps:

C-h v uniquify-buffer-name-style

> I could do this by
> adding a hook to find-file-hooks and renaming the buffer according to my
> scheme, but it seems cleaner to tell Emacs how to generate the desired
> buffer name in the first place.  I've traced the code from find-file all
> the way down to generate-new-buffer-name, but I can't find anywhere I
> can interpose my buffer-naming logic.

The mechanism proposed above advises `create-file-buffer':

(defadvice create-file-buffer (after create-file-buffer-uniquify activate)
  "Uniquify buffer names with parts of directory name."

That is in the last lines of lisp/uniquify.el

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