rufo-reformatter.el

(use-package reformatter)

(defun rufo-success-p (retcode) (member retcode '(0 3)))

(reformatter-define rufo :program "rufo" :lighter " Rufo" :exit-code-success-p rufo-success-p)

;; (add-hook 'ruby-mode-hook 'rufo-on-save-mode)