emacs_config_prelude/modules/prelude-packages.el

;;; prelude-packages.el --- Emacs Prelude: default package selection.
;;
;; Copyright (c) 2011 Bozhidar Batsov
;;
;; Author: Bozhidar Batsov <bozhidar.batsov@gmail.com>
;; URL: http://www.emacswiki.org/cgi-bin/wiki/Prelude
;; Version: 1.0.0
;; Keywords: convenience

;; This file is not part of GNU Emacs.

;;; Commentary:

;; Takes care of the automatic installation of all the packages required by
;; Emacs Prelude.

;;; License:

;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License
;; as published by the Free Software Foundation; either version 3
;; of the License, or (at your option) any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING.  If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.

;;; Code:

(require 'package)
(add-to-list 'package-archives
             '("marmalade" . "http://marmalade-repo.org/packages/") t)
(package-initialize)

;; check for new packages (package versions)
(message "%s" "Emacs Prelude is now refreshing its package database...")
(package-refresh-contents)
(message "%s" " done.")

(defvar prelude-packages
  '(auctex clojure-mode coffee-mode deft gist groovy-mode haml-mode
           haskell-mode inf-ruby markdown-mode paredit projectile
           python sass-mode rainbow-mode scss-mode solarized-theme
           yaml-mode yari zenburn-theme)
  "A list of packages to ensure are installed at launch.")

(dolist (p prelude-packages)
  (when (not (package-installed-p p))
    (package-install p)))

(provide 'prelude-packages)

;;; prelude-packages.el ends here