From 81e57453ce2d4ec3c50780c6368c568ef3247c98 Mon Sep 17 00:00:00 2001
From: Tim Pope <code@tpope.net>
Date: Sat, 6 Jul 2019 07:08:05 -0400
Subject: [PATCH] Compensate for very old Vim without settabvar()

---
 autoload/fugitive.vim | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/autoload/fugitive.vim b/autoload/fugitive.vim
index 89da4de..6175bcd 100644
--- a/autoload/fugitive.vim
+++ b/autoload/fugitive.vim
@@ -2182,7 +2182,8 @@ function! fugitive#ReloadStatus(...) abort
   call s:ExpireStatus(a:0 ? a:1 : -2)
   if a:0 > 1 ? a:2 : s:CanAutoReloadStatus()
     let t = reltime()
-    for tabnr in range(1, tabpagenr('$'))
+    let t:fugitive_reload_status = t
+    for tabnr in exists('*settabvar') ? range(1, tabpagenr('$')) : []
       call settabvar(tabnr, 'fugitive_reload_status', t)
     endfor
     call s:ReloadTabStatus()