From 9ed3230d7f7b88176f4e7fac10782ead2d7c5c93 Mon Sep 17 00:00:00 2001
From: Alex Karle <alex@karle.co>
Date: Tue, 30 Apr 2019 22:58:07 -0400
Subject: [PATCH] vim: git-worktree support for :GitGrep

In particular, this Vim function was walking back looking for the .git
folder, but in a worktree, this is a file instead.
---
 vim/autoload/vimrc.vim | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/vim/autoload/vimrc.vim b/vim/autoload/vimrc.vim
index 88f4193..01a9cbe 100644
--- a/vim/autoload/vimrc.vim
+++ b/vim/autoload/vimrc.vim
@@ -52,7 +52,8 @@ function! s:InGitRepo() abort
     let running_path = ''
     for dir in dir_list
         let running_path = join([running_path, dir], fsep)
-        if isdirectory(running_path . fsep . '.git')
+        let f = running_path . fsep . '.git'
+        if filereadable(f) || isdirectory(f)
             return 1
         endif
     endfor
--
libgit2 0.28.4