From 5b532ceed6afbed2fa805f19d35e4057cfdd493d Mon Sep 17 00:00:00 2001
From: Douglas J Hunley <doug.hunley@gmail.com>
Date: Sat, 9 Jul 2022 16:12:36 -0400
Subject: [PATCH] shellcheck: fix sc2086

Signed-off-by: Douglas J Hunley <doug.hunley@gmail.com>
---
 btrfs-auto-snapshot | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/btrfs-auto-snapshot b/btrfs-auto-snapshot
index 29a8a9b..10029c4 100755
--- a/btrfs-auto-snapshot
+++ b/btrfs-auto-snapshot
@@ -279,7 +279,7 @@ argsp_cmdline()
 
     if [ $# -eq 0 ]
     then
-        if [ -z $ret_val[help] ]
+        if [ -z "${ret_val[help]}" ]
         then
             log error "The filesystem argument list is empty."
             log error "Please see $0 --help."