From d9acbc53b028d9245cc349cac5581d37bc147ba9 Mon Sep 17 00:00:00 2001
From: Christian Brabandt <cb@256bit.org>
Date: Thu, 12 Apr 2018 10:23:49 +0200
Subject: [PATCH] Reset g_airline_gui_mode on setting termguicolors

fixes #1663, should make sure that the separators are correctly
displayed even when setting 'termguicolors' later than expected.
---
 plugin/airline.vim | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/plugin/airline.vim b/plugin/airline.vim
index 16352530..34870c43 100644
--- a/plugin/airline.vim
+++ b/plugin/airline.vim
@@ -95,6 +95,10 @@ function! s:airline_toggle()
       autocmd CmdwinLeave * call airline#remove_statusline_func('airline#cmdwinenter')
 
       autocmd GUIEnter,ColorScheme * call <sid>on_colorscheme_changed()
+      if exists("##OptionSet")
+        " Make sure that g_airline_gui_mode is refreshed
+        autocmd OptionSet termguicolors call <sid>on_colorscheme_changed()
+      endif
       " Refresh airline for :syntax off
       autocmd SourcePre */syntax/syntax.vim
             \ call airline#extensions#tabline#buffers#invalidate()