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Re: eval-after-load weirdness


From: Trent Buck
Subject: Re: eval-after-load weirdness
Date: Wed, 23 May 2007 11:46:14 +1000
User-agent: Mutt/1.5.13 (2006-08-11)

On Wed, May 23, 2007 at 07:59:22AM +0900, Miles Bader wrote:
> Trent Buck <address@hidden> writes:
> > because my modular .emacs setup has each configuration module named
> > after the library it configures (e.g. ~/.emacs-prefs/vc.el for the vc
> > library), eval-after-load thinks "vc" has already been loaded.
> ...
> > Some solutions suggested on #emacs:
> >     - stuff everything back into a single .emacs;
> >     - prefix filenames with digits (e.g. 20vc.el), like system V init
> >       scripts; and
> >     - instead of LOADing each config module, FIND-FILE it and then
> >       EVAL-BUFFER it.
> 
> You could also just remove the init files from `load-history' after the
> fact.
> 
> E.g. (at the end of your .emacs):
> 
>    (let ((remove-regexp
>           (concat "\\`" (regexp-quote (file-truename "~/.emacs-prefs/"))))
>          (new-load-hist nil))
>      (dolist (entry load-history)
>        (unless (string-match remove-regexp (car entry))
>          (push entry new-load-hist)))
>      (setq load-history (nreverse new-load-hist)))

I think that would solve EVAL-AFTER-LOADs in Emacs itself, but not
those scattered throughout .emacs-prefs/ itself.  Here is the change I
eventually made per method (3), which solves the problem.

    Mon May 21 19:30:33 EST 2007  Trent Buck <address@hidden>
      * .emacs: don't use LOAD in .emacs-prefs.
      Doing so breaks EVAL-AFTER-LOAD when passed a string as argument.
      See http://paste.lisp.org/display/41451 for details.
    diff -rN -u old-profile/.emacs new-profile/.emacs
    --- old-profile/.emacs  2007-05-23 11:39:23.219566437 +1000
    +++ new-profile/.emacs  2007-05-23 11:39:23.267571168 +1000
    @@ -17,9 +17,11 @@
     (let ((default-directory "~/.emacs-prefs/"))
       (when (file-accessible-directory-p ".")
         (load (expand-file-name "Emacs.el") t)
         (load (expand-file-name
                (format "window-system-%s.el" window-system)) t)
    -    (mapc (lambda (x)
    -            (when (locate-library (file-name-sans-extension x))
    -              (load (expand-file-name x))))
    -          (directory-files "." nil "\\`[a-z].*\\.el\\'"))))
    +    (with-temp-buffer
    +      (mapc (lambda (x)
    +              (when (locate-library (file-name-sans-extension x))
    +                (insert-file-contents (expand-file-name x))))
    +            (directory-files "." nil "\\`[a-z].*\\.el\\'"))
    +      (eval-buffer))))
-- 
Trent Buck

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