;; Copy-paste all this code to the bottom of
;; your .emacs file or include it: (load "~/configfile.el")

;; You need to run the function install-ruby once:
;; M-x install-ruby
;; Restart emacs

(package-initialize)

(defun install-ruby ()
  (interactive)
  (let ((package-check-signature nil))
    (package-refresh-contents nil)
    (package-install 'gnu-elpa-keyring-update))

  (package-install 'flymake-ruby)
  (package-install 'inf-ruby)
 
  "Done")

(add-to-list 'package-archives
             '("melpa-stable" . "https://stable.melpa.org/packages/") t)


(defun run-current-region ()
  (interactive)
  (let ((min-pos (min (point) (mark)))
	(max-pos (max (point) (mark)))
	(c-buffer (current-buffer)))
    (if (get-buffer "*ruby*")
	(ruby-send-region-and-go min-pos max-pos)
      (progn
	(inf-ruby)
	(with-current-buffer c-buffer
	  (ruby-send-region-and-go min-pos max-pos))
	))
    ))

(defun my-ruby-hook ()
  (require 'flymake-ruby)
  (flymake-ruby-load)
  (local-set-key (kbd "C-c e") 'flymake-goto-next-error)
  (setq ruby-align-chained-calls t)
  (flyspell-prog-mode)
  (require 'inf-ruby)
  (inf-ruby-minor-mode)
  (local-set-key (kbd "C-c r r") 'run-current-region)
  (global-linum-mode t)
  )


(autoload 'inf-ruby-minor-mode "inf-ruby" "Run an inferior Ruby process" t)
(add-hook 'ruby-mode-hook 'my-ruby-hook)