From 62eb44a9d654156efe4b5c8ccfc97729e7dc7ffa Mon Sep 17 00:00:00 2001
From: Christian Brabandt <cb@256bit.org>
Date: Sun, 24 Jul 2016 09:58:52 +0200
Subject: [PATCH] disable refresh function, if airline has been disabled

fixes #1213
---
 plugin/airline.vim | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/plugin/airline.vim b/plugin/airline.vim
index 6ebc13b5..4ff26567 100644
--- a/plugin/airline.vim
+++ b/plugin/airline.vim
@@ -119,6 +119,10 @@ function! s:airline_theme(...)
 endfunction
 
 function! s:airline_refresh()
+  if !exists("#airline")
+    " disabled
+    return
+  endif
   let nomodeline=''
   if v:version > 703 || v:version == 703 && has("patch438")
     let nomodeline = '<nomodeline>'