From 74cf79361f3c0eaf8b5543e51ead9307c679ca9c Mon Sep 17 00:00:00 2001
From: Diego Berrocal <cestdiego@gmail.com>
Date: Sun, 3 Jan 2016 17:33:50 -0500
Subject: [PATCH] Add UndoHist Package to have persistent undo history

---
 layers/+distribution/spacemacs-base/packages.el | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/layers/+distribution/spacemacs-base/packages.el b/layers/+distribution/spacemacs-base/packages.el
index d762d8d7226e..67ab5a246e58 100644
--- a/layers/+distribution/spacemacs-base/packages.el
+++ b/layers/+distribution/spacemacs-base/packages.el
@@ -53,6 +53,7 @@
         spacemacs-theme
         subword
         undo-tree
+        undohist
         (uniquify :location built-in)
         (url :location built-in)
         use-package
@@ -1436,6 +1437,13 @@ ARG non nil means that the editing style is `vim'."
     :config
     (spacemacs|hide-lighter undo-tree-mode)))
 
+(defun spacemacs-base/init-undohist ()
+  (use-package undohist
+    :init
+    (setq undohist-directory (expand-file-name "undo-history" spacemacs-cache-directory))
+    :config
+    (undohist-initialize)))
+
 (defun spacemacs-base/init-uniquify ()
   (require 'uniquify)
   ;; When having windows with repeated filenames, uniquify them