From e7eda3bb86403db6c578a37319ca429efb48a26c Mon Sep 17 00:00:00 2001
From: Tim Pope <code@tpope.net>
Date: Thu, 7 Mar 2013 12:14:11 -0500
Subject: [PATCH] Don't override a blank 'viminfo'

Closes #42.
---
 plugin/sensible.vim | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/plugin/sensible.vim b/plugin/sensible.vim
index abdd86e..2d06095 100644
--- a/plugin/sensible.vim
+++ b/plugin/sensible.vim
@@ -68,7 +68,9 @@ endif
 if &tabpagemax < 50
   set tabpagemax=50
 endif
-set viminfo^=!
+if !empty(&viminfo)
+  set viminfo^=!
+endif
 
 let s:dir = has('win32') ? '~/Application Data/Vim' : match(system('uname'), "Darwin") > -1 ? '~/Library/Vim' : empty($XDG_DATA_HOME) ? '~/.local/share/vim' : '$XDG_DATA_HOME/vim'
 if isdirectory(expand(s:dir))