From 4b69204679a9a55c31493dd63bdf6941015ea196 Mon Sep 17 00:00:00 2001
From: Daniel Hahler <git@thequod.de>
Date: Tue, 29 Mar 2011 19:48:40 +0200
Subject: [PATCH] Handle non-readable .git dirs.

This can happen when a normal user edits/views some files in /etc, which
is maintained using git/etckeeper, and /etc/.git is only readable by
root.
---
 plugin/fugitive.vim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugin/fugitive.vim b/plugin/fugitive.vim
index 970d158..dafe109 100644
--- a/plugin/fugitive.vim
+++ b/plugin/fugitive.vim
@@ -108,7 +108,7 @@ function! s:ExtractGitDir(path) abort
   let ofn = ""
   let nfn = fn
   while fn != ofn
-    if isdirectory(fn . '/.git')
+    if filereadable(fn . '/.git/HEAD')
       return s:sub(simplify(fnamemodify(fn . '/.git',':p')),'\W$','')
     elseif fn =~ '\.git$' && filereadable(fn . '/HEAD')
       return s:sub(simplify(fnamemodify(fn,':p')),'\W$','')