bug#39311: [PATCH] gnu: Add guix-vim.

[Efraim Flashner <efraim@flashner.co.il>]

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On Mon, Jan 27, 2020 at 11:28:20PM +0100, Ricardo Wurmus wrote:
> 
> Hi Efraim,
> 
> > * gnu/packages/vim.scm (guix-vim): New variable.
> > ---
> >  gnu/packages/vim.scm | 42 ++++++++++++++++++++++++++++++++++++++++++
> >  1 file changed, 42 insertions(+)
> >
> > diff --git a/gnu/packages/vim.scm b/gnu/packages/vim.scm
> > index b5952e3e21..a2d715dc1c 100644
> > --- a/gnu/packages/vim.scm
> > +++ b/gnu/packages/vim.scm
> > @@ -938,3 +938,45 @@ through its msgpack-rpc API.")
> >  
> >  (define-public python2-pynvim
> >    (package-with-python2 python-pynvim))
> > +
> > +(define-public guix-vim
> 
> Looks like we usually prefix vim extensions with “vim-”, so should this
> be “vim-guix” instead…?

Good call

> 
> > +         (replace 'install
> > +           (lambda* (#:key outputs #:allow-other-keys)
> > +             (let* ((out (assoc-ref outputs "out"))
> > +                    (vimfiles (string-append out "/share/vim/vimfiles"))
> > +                    (compiler (string-append vimfiles "/compiler"))
> > +                    (doc      (string-append vimfiles "/doc"))
> > +                    (indent   (string-append vimfiles "/indent"))
> > +                    (ftdetect (string-append vimfiles "/ftdetect"))
> > +                    (ftplugin (string-append vimfiles "/ftplugin"))
> > +                    (syntax   (string-append vimfiles "/syntax")))
> > +               (copy-recursively "compiler" compiler)
> > +               (copy-recursively "doc" doc)
> > +               (copy-recursively "indent" indent)
> > +               (copy-recursively "ftdetect" ftdetect)
> > +               (copy-recursively "ftplugin" ftplugin)
> > +               (copy-recursively "syntax" syntax)
> > +               #t))))))
> 
> The repetition here tickles me a little.  How about this instead…?
> 
> (for-each (lambda (dir)
>            (copy-recursively dir (string-append vimfiles "/" dir)))
>           '("compiler" "doc" "indent" "ftdetect" "ftplugin" "syntax"))

This will also be good if we ever get around to making a
vim-build-system.

-- 
Efraim Flashner   <efraim@flashner.co.il>   אפרים פלשנר
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