From ff031d022f2123353bc93a3aa97290287c10a287 Mon Sep 17 00:00:00 2001
From: Trevor Fitzgerald <fitztrev@gmail.com>
Date: Wed, 24 Apr 2013 19:57:33 -0400
Subject: [PATCH] Prevent error message from showing when s:dummy_sign_id is
 not set

---
 plugin/gitgutter.vim | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/plugin/gitgutter.vim b/plugin/gitgutter.vim
index e27deb7..4741eb1 100644
--- a/plugin/gitgutter.vim
+++ b/plugin/gitgutter.vim
@@ -392,7 +392,9 @@ function! s:add_dummy_sign()
 endfunction
 
 function! s:remove_dummy_sign()
-  exe ":sign unplace" s:dummy_sign_id "file=" . s:file()
+  if exists('s:dummy_sign_id')
+    exe ":sign unplace" s:dummy_sign_id "file=" . s:file()
+  endif
 endfunction
 
 " }}}