From 2cfab73f1ba854c06ef6c47149e863d2bdf13aa0 Mon Sep 17 00:00:00 2001
From: Bailey Ling <bling@live.ca>
Date: Sat, 24 Aug 2013 03:16:14 +0000
Subject: [PATCH] fix undotree override bleeding over to the main.

---
 autoload/airline/extensions/undotree.vim | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/autoload/airline/extensions/undotree.vim b/autoload/airline/extensions/undotree.vim
index 1f1e3acf..3de1712f 100644
--- a/autoload/airline/extensions/undotree.vim
+++ b/autoload/airline/extensions/undotree.vim
@@ -3,10 +3,12 @@
 
 function! airline#extensions#undotree#apply(...)
   if exists('t:undotree')
-    if &ft == 'undotree' && exists('*t:undotree.GetStatusLine')
-      call airline#extensions#apply_left_override('undo', '%{t:undotree.GetStatusLine()}')
-    else
-      call airline#extensions#apply_left_override('undotree', '%f')
+    if &ft == 'undotree'
+      if exists('*t:undotree.GetStatusLine')
+        call airline#extensions#apply_left_override('undo', '%{t:undotree.GetStatusLine()}')
+      else
+        call airline#extensions#apply_left_override('undotree', '%f')
+      endif
     endif
 
     if &ft == 'diff' && exists('*t:diffpanel.GetStatusLine')