From c983c98abec92e87779b07c793cfd363d293aca8 Mon Sep 17 00:00:00 2001
From: Adam Goldsmith <adam@adamgoldsmith.name>
Date: Sat, 5 Aug 2017 12:25:29 -0400
Subject: [PATCH] Add longlines minor mode to highlight long lines

---
 .emacs.d/init.el | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/.emacs.d/init.el b/.emacs.d/init.el
index a476e69..c998332 100644
--- a/.emacs.d/init.el
+++ b/.emacs.d/init.el
@@ -146,6 +146,20 @@
   (add-hook 'gud-mode-hook
             '(lambda () (setq-local comint-prompt-read-only t))))
 
+(use-package whitespace
+  :config
+  (define-minor-mode whitespace-longlines-mode
+    :lighter    " ll"
+    :init-value nil
+    :global     nil
+    :group      'whitespace
+    (let ((whitespace-style '(face lines-tail)))
+      (whitespace-mode (if whitespace-longlines-mode
+                           1 -1)))
+    ;; sync states (running a batch job)
+    (setq whitespace-longlines-mode whitespace-mode))
+  (add-hook 'prog-mode-hook #'whitespace-longlines-mode))
+
 
 (use-package org
   :defer