install_elpa.el

(setq user-init-file "/tmp/.emacs")

;; Marmalade: http://marmalade-repo.org/
(require 'package)
(add-to-list 'package-archives
    '("marmalade" .
      "http://marmalade-repo.org/packages/"))
;; (add-to-list 'package-archives
;;              '("melpa" . "http://melpa.org/packages/") t)
(when (< emacs-major-version 24)
  ;; For important compatibility libraries like cl-lib
  (add-to-list 'package-archives '("gnu" . "http://elpa.gnu.org/packages/")))
(package-initialize)

(package-refresh-contents)

(defvar my-packages
  '(
;    clj-refactor
    color-theme
    dash
    gh
    gist
    multiple-cursors
    magit
    cider
    pkg-info
    ruby-mode
    smex
    typopunct
    yasnippet
    org
    markdown-mode
    paredit
    ))

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