From 2736a2f69e8e407bc3df38a43faab173f37e7c4c Mon Sep 17 00:00:00 2001
From: Junegunn Choi <junegunn.c@gmail.com>
Date: Sun, 10 Oct 2021 20:16:59 +0900
Subject: [PATCH] [vim] Empty out $FZF_DEFAULT_COMMAND before unletting it

For Vim 8.0.1831 and below
* https://github.com/vim/vim/issues/1116

Fix https://github.com/junegunn/fzf.vim/issues/1301
---
 plugin/fzf.vim | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/plugin/fzf.vim b/plugin/fzf.vim
index 4190e0e3..b17361d2 100644
--- a/plugin/fzf.vim
+++ b/plugin/fzf.vim
@@ -519,7 +519,8 @@ finally
     if len(prev_default_command)
       let $FZF_DEFAULT_COMMAND = prev_default_command
     else
-      execute 'unlet $FZF_DEFAULT_COMMAND'
+      let $FZF_DEFAULT_COMMAND = ''
+      silent! execute 'unlet $FZF_DEFAULT_COMMAND'
     endif
   endif
   let [&shell, &shellslash, &shellcmdflag, &shellxquote] = [shell, shellslash, shellcmdflag, shellxquote]