From 8886d97070cf72c11749301d8e30439dd3600d13 Mon Sep 17 00:00:00 2001
From: Tim Pope <code@tpope.net>
Date: Sun, 6 Jun 2021 15:32:27 -0400
Subject: [PATCH] Fix missing bang on function declaration

This causes a error during reloading on older versions of Vim.
---
 autoload/fugitive.vim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/autoload/fugitive.vim b/autoload/fugitive.vim
index 58456b6..73d1823 100644
--- a/autoload/fugitive.vim
+++ b/autoload/fugitive.vim
@@ -1480,7 +1480,7 @@ function! fugitive#getfperm(url) abort
   return perm ==# '---------' ? '' : perm
 endfunction
 
-function s:UpdateIndex(dir, info) abort
+function! s:UpdateIndex(dir, info) abort
   let info = join(a:info[0:-2]) . "\t" . a:info[-1] . "\n"
   let [error, exec_error] = s:SystemError([a:dir, 'update-index', '--index-info'], info)
   return !exec_error ? '' : len(error) ? error : 'fugitive: unknown update-index error'