From 2db9b27e39bfd84cb432e001b4a3f41f633b3b7e Mon Sep 17 00:00:00 2001
From: Christian Brabandt <cb@256bit.org>
Date: Fri, 14 Jun 2019 10:30:05 +0200
Subject: [PATCH] async: Better fix for #1936

fix #1936 in a different way
---
 autoload/airline/async.vim | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/autoload/airline/async.vim b/autoload/airline/async.vim
index 62237129..6b673d10 100644
--- a/autoload/airline/async.vim
+++ b/autoload/airline/async.vim
@@ -69,10 +69,11 @@ function! s:set_clean_variables(file, vcs, val)
   if has_key(var, a:vcs) && has_key(var[a:vcs], 'dirty') &&
         \ type(getbufvar(fnameescape(a:file), 'buffer_vcs_config')) == type({})
     let var[a:vcs].dirty=a:val
-    if bufexists(a:file)
+    try
       call setbufvar(fnameescape(a:file), 'buffer_vcs_config', var)
       unlet! b:airline_head
-    endif
+    catch
+    endtry
   endif
 endfunction