From c0427e435d2eb2170517438ddd4f0b5fa7a8b691 Mon Sep 17 00:00:00 2001
From: Bailey Ling <bling@live.ca>
Date: Tue, 9 Jul 2013 03:23:30 +0000
Subject: [PATCH] use list of funcrecs, allowing window overrides to be
 dynamically added

---
 autoload/airline.vim            | 4 +++-
 autoload/airline/extensions.vim | 8 ++------
 plugin/airline.vim              | 2 ++
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/autoload/airline.vim b/autoload/airline.vim
index d1f6c446..7e52f72c 100644
--- a/autoload/airline.vim
+++ b/autoload/airline.vim
@@ -68,7 +68,9 @@ function! s:apply_window_overrides()
     let w:airline_section_c = bufname(winbufnr(winnr()))
   endif
 
-  call airline#extensions#apply_window_overrides()
+  for FuncRef in g:airline_window_override_funcrefs
+    call FuncRef()
+  endfor
 endfunction
 
 function! airline#update_externals()
diff --git a/autoload/airline/extensions.vim b/autoload/airline/extensions.vim
index 600d3ee4..5b7f0675 100644
--- a/autoload/airline/extensions.vim
+++ b/autoload/airline/extensions.vim
@@ -10,12 +10,8 @@ function! airline#extensions#load()
           \ 'prog': 'airline#extensions#ctrlp#ctrlp_airline_status',
           \ }
   endif
-endfunction
 
-function! s:empty_sections()
-  for section in s:sections
-    let w:airline_section_{section} = ''
-  endfor
+  call add(g:airline_window_override_funcrefs, function('s:apply_window_overrides'))
 endfunction
 
 function! s:override_left_only(section1, section2)
@@ -25,7 +21,7 @@ function! s:override_left_only(section1, section2)
   let w:airline_left_only = 1
 endfunction
 
-function! airline#extensions#apply_window_overrides()
+function! s:apply_window_overrides()
   silent! unlet w:airline_left_only
   for section in s:sections
     silent! unlet w:airline_section_{section}
diff --git a/plugin/airline.vim b/plugin/airline.vim
index 1827a775..ebe3a5db 100644
--- a/plugin/airline.vim
+++ b/plugin/airline.vim
@@ -50,6 +50,8 @@ function! s:init()
   endif
 endfunction
 
+let g:airline_window_override_funcrefs = []
+
 augroup airline
   au!
   autocmd ColorScheme * call airline#highlight(['normal'])