From 6f07d7e6cd23b7a76dc461fdfb1984717d233806 Mon Sep 17 00:00:00 2001
From: Tim Pope <code@tpope.net>
Date: Mon, 6 Sep 2021 19:01:04 -0400
Subject: [PATCH] Make initialization lazy

---
 plugin/fugitive.vim | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/plugin/fugitive.vim b/plugin/fugitive.vim
index e5f0b98..bcd48d2 100644
--- a/plugin/fugitive.vim
+++ b/plugin/fugitive.vim
@@ -420,6 +420,9 @@ function! FugitiveDetect(...) abort
   if exists('b:git_dir') && b:git_dir =~# '^$\|' . s:bad_git_dir
     unlet b:git_dir
   endif
+  if a:0 > 1 && a:2 && !exists('#User#Fugitive')
+    return ''
+  endif
   if !exists('b:git_dir')
     let b:git_dir = FugitiveExtractGitDir(a:0 ? a:1 : bufnr(''))
   endif
@@ -600,8 +603,9 @@ let g:io_fugitive = {
 augroup fugitive
   autocmd!
 
-  autocmd BufNewFile,BufReadPost * call FugitiveDetect(expand('<amatch>:p'))
-  autocmd FileType           netrw call FugitiveDetect(fnamemodify(get(b:, 'netrw_curdir', expand('<amatch>')), ':p'))
+  autocmd BufNewFile,BufReadPost *
+        \    call FugitiveDetect(expand('<amatch>:p'), 1)
+  autocmd FileType           netrw call FugitiveDetect(fnamemodify(get(b:, 'netrw_curdir', expand('<afile>:p')), ':p'), 1)
 
   autocmd FileType git
         \ call fugitive#MapCfile()