From db6bf458fb815c0aa36add266113560312901386 Mon Sep 17 00:00:00 2001
From: Christian Brabandt <cb@256bit.org>
Date: Sun, 17 Jan 2016 18:28:04 +0100
Subject: [PATCH] Check window size

Before setting showtabline option, make sure, there is enough room
fixes #863
---
 autoload/airline/extensions/tabline/autoshow.vim | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/autoload/airline/extensions/tabline/autoshow.vim b/autoload/airline/extensions/tabline/autoshow.vim
index 8d39cc34..32bcf54f 100644
--- a/autoload/airline/extensions/tabline/autoshow.vim
+++ b/autoload/airline/extensions/tabline/autoshow.vim
@@ -22,7 +22,9 @@ function! airline#extensions#tabline#autoshow#on()
   augroup airline_tabline_autoshow
     autocmd!
     if s:buf_min_count <= 0 && s:tab_min_count <= 1
-      set showtabline=2
+      if &lines > 3
+        set showtabline=2
+      endif
     else
       if s:show_buffers == 1
         autocmd BufEnter  * call <sid>show_tabline(s:buf_min_count, len(airline#extensions#tabline#buflist#list()))
@@ -40,7 +42,7 @@ endfunction
 
 function! s:show_tabline(min_count, total_count)
   if a:total_count >= a:min_count
-    if &showtabline != 2
+    if &showtabline != 2 && &lines > 3
       set showtabline=2
     endif
   else