From af76267c6aa60a5bee46a53d805c5412820b855f Mon Sep 17 00:00:00 2001
From: Tim Pope <code@tpope.net>
Date: Wed, 12 Sep 2018 12:32:43 -0400
Subject: [PATCH] Fix backport of @ to old Git

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

diff --git a/autoload/fugitive.vim b/autoload/fugitive.vim
index 9677f6b..86505e5 100644
--- a/autoload/fugitive.vim
+++ b/autoload/fugitive.vim
@@ -645,7 +645,7 @@ function! fugitive#Route(object, ...) abort
       endif
     endif
     if !exists('f')
-      let commit = substitute(matchstr(rev, '^[^:]\+\|^:.*'), '^@\%($|[^~]\)\@=', 'HEAD', '')
+      let commit = substitute(matchstr(rev, '^[^:]\+\|^:.*'), '^@\%($\|[~^]\|@{\)\@=', 'HEAD', '')
       let file = substitute(matchstr(rev, '^[^:]\+\zs:.*'), '^:', '/', '')
       if file =~# '^/\.\.\=\%(/\|$\)\|^//\|^/\a\+:'
         let file = file =~# '^/\.' ? simplify(getcwd() . file) : file[1:-1]
-- 
2.11.4.GIT