From f3e80dd0f70aabb6abcddb0148f75356fb60c32b Mon Sep 17 00:00:00 2001
From: Stefan Kangas <stefankangas@gmail.com>
Date: Thu, 20 Jun 2024 23:12:31 +0200
Subject: [PATCH] * admin/emacs-shell-lib: Backport to Bash 4.4 or older.

---
 admin/emacs-shell-lib | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/admin/emacs-shell-lib b/admin/emacs-shell-lib
index 1c4d895fdb4..e639a4740a1 100644
--- a/admin/emacs-shell-lib
+++ b/admin/emacs-shell-lib
@@ -49,6 +49,9 @@ emacs_tempfiles=()
 
 emacs_tempfiles_cleanup ()
 {
+    # This is needed on Bash 4.4 or older.
+    [ ${#emacs_tempfiles[@]} -eq 0 ] && return
+
     for file in ${emacs_tempfiles[@]}; do
         rm -f "${file}" 2> /dev/null
     done