From 540b0ed4f5e3207949b88c77dc541c9bb691e9d3 Mon Sep 17 00:00:00 2001
From: Valentin Gehrke <madmaurice@zom.bi>
Date: Tue, 17 Oct 2017 12:45:13 +0200
Subject: [PATCH] emacs - Auto delete trailing whitespace and empty lines at
 begin or end of buffer

---
 emacs/.emacs.d/init.el | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/emacs/.emacs.d/init.el b/emacs/.emacs.d/init.el
index 9a5d5e8..a6ff560 100644
--- a/emacs/.emacs.d/init.el
+++ b/emacs/.emacs.d/init.el
@@ -141,6 +141,14 @@
   (tool-bar-mode -1))
 (menu-bar-mode -1)
 
+;; Buffer cleanup
+(defun buffer-cleanup-whitespace ()
+  "Remove trailing whitespaces upon save"
+  (let ((whitespace-style '(empty trailing)))
+	(whitespace-cleanup)))
+(add-hook 'before-save-hook 'buffer-cleanup-whitespace)
+(setq-default show-trailing-whitespace t)
+
 ;; ensure repo cache is up1date
 (or (file-exists-p package-user-dir)
     (package-refresh-contents))
@@ -172,8 +180,6 @@
 
 ;; No tabs - tabs are evil
 (setq indent-tabs-mode nil)
-;; No trailing whitespaces - those are even evileler
-(setq show-trailing-whitespace t)
 
 (use-package delight
   :ensure t