From 2689ece0045ef99a3c22016d10046f885e232b7d Mon Sep 17 00:00:00 2001
From: 10sr <8slashes+git@gmail.com>
Date: Wed, 13 Aug 2014 16:24:58 +0900
Subject: [PATCH] emacs: do not enable view-mode for diff-mode when visiting
 files

---
 emacs.el | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/emacs.el b/emacs.el
index 6cee9af..729a7d2 100644
--- a/emacs.el
+++ b/emacs.el
@@ -914,8 +914,9 @@ found, otherwise returns nil."
 (setq diff-switches "-u")
 (add-hook 'diff-mode-hook
           (lambda ()
-            (when (eq major-mode
-                      'diff-mode)
+            (when (and (eq major-mode
+                           'diff-mode)
+                       (not buffer-file-name))
               ;; do not pass when major-mode is derived mode of diff-mode
               (view-mode 1))
             (set-face-attribute 'diff-header nil