From b411b753f805b969cca856e2ae51fdbab49880df Mon Sep 17 00:00:00 2001
From: Tim Pope <code@tpope.net>
Date: Wed, 17 Aug 2022 09:21:45 -0400
Subject: [PATCH] Add deprecation warning on editing .git/index

---
 plugin/fugitive.vim | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/plugin/fugitive.vim b/plugin/fugitive.vim
index c17d850..45bfc6d 100644
--- a/plugin/fugitive.vim
+++ b/plugin/fugitive.vim
@@ -689,6 +689,9 @@ augroup fugitive
         \ if FugitiveIsGitDir(expand('<amatch>:p:h')) |
         \   let b:git_dir = s:Slash(expand('<amatch>:p:h')) |
         \   exe fugitive#BufReadStatus(v:cmdbang) |
+        \   echohl WarningMSG |
+        \   echo "fugitive: Direct editing of .git/" . expand('%:t') . " is deprecated" |
+        \   echohl NONE |
         \ elseif filereadable(expand('<amatch>')) |
         \   silent doautocmd BufReadPre |
         \   keepalt noautocmd read <amatch> |