From d40fd4490410703ee835dbb88019cd8a17c23840 Mon Sep 17 00:00:00 2001
From: Andy Stewart <boss@airbladesoftware.com>
Date: Fri, 15 Mar 2013 10:18:30 +0100
Subject: [PATCH] Fix bug when calling GitGutterDisable immediately.

When opening Vim without editing any file, calling GitGutterDisable
would fail because `s:file` was undefined at that point.  The fix breaks
what encapsulation there is, but has the virtue of working.
---
 plugin/gitgutter.vim | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/plugin/gitgutter.vim b/plugin/gitgutter.vim
index b1f2528..c333762 100644
--- a/plugin/gitgutter.vim
+++ b/plugin/gitgutter.vim
@@ -18,6 +18,8 @@ if !exists('g:gitgutter_sign_column_always')
   let g:gitgutter_sign_column_always = 0
 endif
 
+let s:file = ''
+
 function! s:init()
   if !exists('g:gitgutter_initialised')
     call s:define_sign_column_highlight()