From a12e88bcc260945462909bd4825c1c41f4bcb5d7 Mon Sep 17 00:00:00 2001
From: Tim Pope <code@tpope.net>
Date: Thu, 25 Mar 2021 22:54:50 -0400
Subject: [PATCH] Add error message when editing after Vim exit

I don't think it's possible to see this, but we can use this error
delivery system for other purposes.
---
 autoload/fugitive.vim | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/autoload/fugitive.vim b/autoload/fugitive.vim
index 341adcb..2245ac0 100644
--- a/autoload/fugitive.vim
+++ b/autoload/fugitive.vim
@@ -2542,7 +2542,7 @@ augroup fugitive_job
   autocmd BufDelete * call s:RunBufDelete(expand('<abuf>'))
   autocmd VimLeave *
         \ for s:jobbuf in keys(s:edit_jobs) |
-        \   call writefile([], s:edit_jobs[s:jobbuf][0].file . '.exit') |
+        \   call writefile(['Aborting edit due to Vim exit.'], s:edit_jobs[s:jobbuf][0].file . '.exit') |
         \   redraw! |
         \   call call('s:RunWait', remove(s:edit_jobs, s:jobbuf)) |
         \ endfor
@@ -2706,7 +2706,7 @@ function! fugitive#Command(line1, line2, range, bang, mods, arg) abort
           \ 'escape': ''}
     let env.FUGITIVE = state.file
     let editor = 'sh ' . s:TempScript(
-          \ '[ -f "$FUGITIVE.exit" ] && exit 1',
+          \ '[ -f "$FUGITIVE.exit" ] && cat "$FUGITIVE.exit" >&2 && exit 1',
           \ 'echo "$1" > "$FUGITIVE.edit"',
           \ 'printf "\033]51;fugitive:edit\007" >&2',
           \ 'while [ -f "$FUGITIVE.edit" -a ! -f "$FUGITIVE.exit" ]; do sleep 0.05 2>/dev/null || sleep 1; done',