.dir-locals.el
;;; Directory Local Variables
;;; For more information see (info "(emacs) Directory Variables")
((ruby-mode
(bug-reference-url-format . "https://github.com/rubocop/rubocop/issues/%s")
(bug-reference-bug-regexp . "#\\(?2:[[:digit:]]+\\)")
(indent-tabs-mode . nil)
(fill-column . 100)
(whitespace-line-column 100)))
;; To use the bug-reference stuff, do:
;; (add-hook 'text-mode-hook #'bug-reference-mode)
;; (add-hook 'prog-mode-hook #'bug-reference-prog-mode)