From 31f36740c81869e028fa7b665e0bfddc4e0ec3d2 Mon Sep 17 00:00:00 2001
From: Bailey Ling <bling@live.ca>
Date: Sun, 3 Nov 2013 14:03:36 -0500
Subject: [PATCH] look up whitespace checks all the time. resolves #330.

---
 autoload/airline/extensions/whitespace.vim | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/autoload/airline/extensions/whitespace.vim b/autoload/airline/extensions/whitespace.vim
index 99dfd76..c8910af 100644
--- a/autoload/airline/extensions/whitespace.vim
+++ b/autoload/airline/extensions/whitespace.vim
@@ -11,7 +11,7 @@ else
 endif
 
 let s:symbol = get(g:, 'airline#extensions#whitespace#symbol', g:airline_symbols.whitespace)
-let s:checks = get(g:, 'airline#extensions#whitespace#checks', ['indent', 'trailing'])
+let s:default_checks = ['indent', 'trailing']
 
 let s:trailing_format = get(g:, 'airline#extensions#whitespace#trailing_format', 'trailing[%s]')
 let s:mixed_indent_format = get(g:, 'airline#extensions#whitespace#mixed_indent_format', 'mixed-indent[%s]')
@@ -25,14 +25,15 @@ function! airline#extensions#whitespace#check()
 
   if !exists('b:airline_whitespace_check')
     let b:airline_whitespace_check = ''
+    let checks = get(g:, 'airline#extensions#whitespace#checks', s:default_checks)
 
     let trailing = 0
-    if index(s:checks, 'trailing') > -1
+    if index(checks, 'trailing') > -1
       let trailing = search(' $', 'nw')
     endif
 
     let mixed = 0
-    if index(s:checks, 'indent') > -1
+    if index(checks, 'indent') > -1
       let indents = [search('^ \{2,}', 'nb'), search('^ \{2,}', 'n'), search('^\t', 'nb'), search('^\t', 'n')]
       let mixed = indents[0] != 0 && indents[1] != 0 && indents[2] != 0 && indents[3] != 0
     endif