From e82332ee9e140d8959d0b654d2b1c659641ea6d3 Mon Sep 17 00:00:00 2001
From: Tim Pope <code@tpope.net>
Date: Mon, 22 Nov 2021 12:49:21 -0500
Subject: [PATCH] Try to avoid trailing newline blame issues

Resolves: https://github.com/tpope/vim-fugitive/issues/1892
---
 autoload/fugitive.vim | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/autoload/fugitive.vim b/autoload/fugitive.vim
index eed077e..6b9ef03 100644
--- a/autoload/fugitive.vim
+++ b/autoload/fugitive.vim
@@ -6771,9 +6771,13 @@ function! s:BlameSubcommand(line1, count, range, bang, mods, options) abort
     elseif empty(files) && len(matchstr(s:DirCommitFile(@%)[1], '^\x\x\+$'))
       let cmd += [matchstr(s:DirCommitFile(@%)[1], '^\x\x\+$')]
     elseif empty(files) && !s:HasOpt(flags, '--reverse')
-      let cmd += ['--contents', tempname . '.in']
-      silent execute 'noautocmd keepalt %write ' . s:fnameescape(tempname . '.in')
-      let delete_in = 1
+      if &modified
+        let cmd += ['--contents', tempname . '.in']
+        silent execute 'noautocmd keepalt %write ' . s:fnameescape(tempname . '.in')
+        let delete_in = 1
+      elseif &autoread
+        exe 'checktime ' . bufnr('')
+      endif
     else
       call fugitive#Autowrite()
     endif