From 72d8c5dd563a4d9b62d89b3f034692bc2eb97540 Mon Sep 17 00:00:00 2001
From: Henrik Lissner <henrik@lissner.net>
Date: Sat, 1 Sep 2018 12:30:34 +0200
Subject: [PATCH] New doom/delete-trailing-newlines command

---
 core/autoload/editor.el | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/core/autoload/editor.el b/core/autoload/editor.el
index c304405db..56d9cb942 100644
--- a/core/autoload/editor.el
+++ b/core/autoload/editor.el
@@ -254,6 +254,22 @@ Inspired from http://demonastery.org/2013/04/emacs-evil-narrow-region/"
         (t
          (widen))))
 
+;;;###autoload
+(defun doom/delete-trailing-newlines ()
+  "Trim trailing newlines.
+
+Respects `require-final-newline'."
+  (interactive)
+  (goto-char (point-max))
+  (skip-chars-backward " \t\n\v")
+  (when (looking-at "\n\\(\n\\|\\'\\)")
+    (forward-char 1))
+  (when require-final-newline
+    (unless (bolp)
+      (insert "\n")))
+  (when (looking-at "\n+")
+    (replace-match "")))
+
 
 ;;
 ;; Advice