(require 'cl)

(when (>= emacs-major-version 24)
  (require 'package)
  (package-initialize)
  (add-to-list
   'package-archives
   '("melpa" . "http://stable.melpa.org/packages/")
   t))

(defvar prelude-packages
  '(haskell-mode)
  "A list of packages to ensure are installed at launch.")

(defun prelude-packages-installed-p ()
  (loop for p in prelude-packages
        when (not (package-installed-p p)) do (return nil)
        finally (return t)))

(if (version<= "24.0" emacs-version)
    (unless (prelude-packages-installed-p)
      ;; check for new packages (package versions)
      (message "%s" "Emacs Prelude is now refreshing its package database...")
      (package-refresh-contents)
      (message "%s" " done.")
      ;; install the missing packages
      (dolist (p prelude-packages)
        (when (not (package-installed-p p))
          (package-install p)))))

;; Haskell
(defun my-haskell-hook ()
  (progn
    (interactive-haskell-mode)
    (haskell-doc-mode)
    (haskell-indentation-mode)
))

(add-hook 'haskell-mode-hook 'my-haskell-hook)