On Mon, 16 Oct 2017 09:27:57 +0200
ludo@gnu.org (Ludovic Courtès) wrote:

> Hi!
> 
> Christopher Baines <mail@cbaines.net> skribis:
> 
> > From 43ad9a4e6db6f4f94d2b2f63cbd9b729f5d4e607 Mon Sep 17 00:00:00 2001
> > From: Christopher Baines <mail@cbaines.net>
> > Date: Wed, 11 Oct 2017 14:46:47 +0100
> > Subject: [PATCH] gnu: Add emacs-org-contrib.
> >
> > * gnu/packages/emacs.scm (emacs-org-contrib): New variable.  
> 
> [...]
> 
> > +       (modify-phases %standard-phases
> > +         (add-after 'install 'delete-org-files
> > +           (lambda* (#:key inputs outputs #:allow-other-keys)
> > +             (let* ((out (assoc-ref outputs "out"))
> > +                    (org (assoc-ref inputs "emacs-org"))
> > +                    (contrib-files
> > +                     (map basename (find-files out)))
> > +                    (org+contrib-files
> > +                     (map basename (find-files org)))
> > +                    (duplicates (lset-intersection
> > +                                 string=? contrib-files org+contrib-files)))
> > +               (with-directory-excursion
> > +                   (string-append
> > +                    out "/share/emacs/site-lisp/guix.d/org-contrib-"
> > +                    ,(package-version emacs-org))
> > +                 (for-each delete-file duplicates))))))))  
> 
> Awesome.  Just return #t and we’re done.  :-)
> 
> Thank you!

Great, I've now added #t, and pushed this. Thanks for reviewing :)