From 1b811b88a45ff7b906ea9314adf016883ce5cd9e Mon Sep 17 00:00:00 2001
From: Tim Pope <code@tpope.net>
Date: Wed, 20 Apr 2022 13:48:36 -0400
Subject: [PATCH] Avoid IO from ":p" during detection

---
 plugin/fugitive.vim | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/plugin/fugitive.vim b/plugin/fugitive.vim
index 2ec473f..ed5c959 100644
--- a/plugin/fugitive.vim
+++ b/plugin/fugitive.vim
@@ -413,9 +413,10 @@ function! FugitiveExtractGitDir(path) abort
     return matchstr(path, '\C^fugitive:\%(//\)\=\zs.\{-\}\ze\%(//\|::\|$\)')
   elseif empty(path)
     return ''
-  else
-    let path = fnamemodify(path, ':p:h')
+  elseif path !~# '^/\|^\a\+:'
+    let path = s:Slash(getcwd()) . '/' . path
   endif
+  let path = fnamemodify(path, ':h')
   let pre = substitute(matchstr(path, '^\a\a\+\ze:'), '^.', '\u&', '')
   if len(pre) && exists('*' . pre . 'Real')
     let path ={pre}Real(path)