From f71079db4d83bd0ebd0bc79a357fae2127966045 Mon Sep 17 00:00:00 2001
From: Tim Pope <code@tpope.net>
Date: Mon, 25 Jun 2018 12:51:34 -0400
Subject: [PATCH] Work around guioptions+=! on Windows

Closes https://github.com/tpope/vim-fugitive/issues/1042
---
 autoload/fugitive.vim | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/autoload/fugitive.vim b/autoload/fugitive.vim
index ba86ce4..1c4e2d2 100644
--- a/autoload/fugitive.vim
+++ b/autoload/fugitive.vim
@@ -1009,7 +1009,11 @@ function! s:Commit(mods, args, ...) abort
   let outfile = tempname()
   let errorfile = tempname()
   try
+    let guioptions = &guioptions
     try
+      if &guioptions =~# '!'
+        setglobal guioptions-=!
+      endif
       execute cd s:fnameescape(repo.tree())
       if s:winshell()
         let command = ''
@@ -1029,6 +1033,7 @@ function! s:Commit(mods, args, ...) abort
       let error = v:shell_error
     finally
       execute cd s:fnameescape(dir)
+      let &guioptions = guioptions
     endtry
     if !has('gui_running')
       redraw!