From 140e239bdb61f49cfa834408862f317a82a12a4c Mon Sep 17 00:00:00 2001
From: Trenton Holmes <holmes.trenton@gmail.com>
Date: Tue, 30 Aug 2022 15:34:56 -0700
Subject: [PATCH] Fixes the shellcheck issues

---
 docker/docker-prepare.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docker/docker-prepare.sh b/docker/docker-prepare.sh
index 193811d01..c4e45c032 100755
--- a/docker/docker-prepare.sh
+++ b/docker/docker-prepare.sh
@@ -37,7 +37,7 @@ wait_for_mariadb() {
 	attempt_num=1
 	max_attempts=5
 
-	while ! </dev/tcp/$host/$port; do
+	while ! true > /dev/tcp/$host/$port; do
 
 		if [ $attempt_num -eq $max_attempts ]; then
 			echo "Unable to connect to database."
@@ -47,7 +47,7 @@ wait_for_mariadb() {
 
 		fi
 
-		attempt_num=$(expr "$attempt_num" + 1)
+		attempt_num=$(("$attempt_num" + 1))
 		sleep 5
 	done
 }