From 0d241ef7a8e6fd15661cf757ed0fcc23154a46be Mon Sep 17 00:00:00 2001
From: LizenzFass78851 <82592556+LizenzFass78851@users.noreply.github.com>
Date: Mon, 24 Mar 2025 19:58:59 +0100
Subject: [PATCH] Add a test to check if running a old version of docker

Signed-off-by: LizenzFass78851 <82592556+LizenzFass78851@users.noreply.github.com>
---
 src/start.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/start.sh b/src/start.sh
index e95c380..cc17ce9 100644
--- a/src/start.sh
+++ b/src/start.sh
@@ -1,5 +1,10 @@
 #!/bin/bash
 
+if [ ! -x /bin/sh ]; then
+  echo "Executable test for /bin/sh failed. Your Docker version is too old to run Alpine 3.14+ and Pi-hole. You must upgrade Docker.";
+  exit 1;
+fi
+
 if [ "${PH_VERBOSE:-0}" -gt 0 ]; then
   set -x
 fi