enable persistent undo in emacs

[~bandali/configs] / spacemacs / .spacemacs

diff --git a/spacemacs/.spacemacs b/spacemacs/.spacemacs
index cdc2f8f..b2e5392 100644 (file)
--- a/spacemacs/.spacemacs
+++ b/spacemacs/.spacemacs
@@ -104,6 +104,25 @@ layers configuration."
   (setq powerline-default-separator nil)
   (setq TeX-PDF-mode t
         Tex-command-default 'TeX)
+  (setq undo-tree-auto-save-history t
+        undo-tree-history-directory-alist
+        `(("." . ,(concat spacemacs-cache-directory "undo"))))
+  (unless (file-exists-p (concat spacemacs-cache-directory "undo"))
+    (make-directory (concat spacemacs-cache-directory "undo")))
+
+  (setq TeX-view-program-selection
+        '(((output-dvi style-pstricks)
+          "dvips and gv")
+         (output-dvi "xdvi")
+         (output-pdf "zathura")
+         (output-html "xdg-open")))
+
+  (setq TeX-view-program-list
+        '(("zathura"
+           ("zathura" (mode-io-correlate "-sync.sh")
+            " "
+            (mode-io-correlate "%n:1:%t ")
+            "%o"))))
 )
 
 ;; Do not write anything past this comment. This is where Emacs will