From d277a187bf49fc02b49b2cdfd10207e4cc8688f7 Mon Sep 17 00:00:00 2001
From: Esa Jokinen <58781154+oh2fih@users.noreply.github.com>
Date: Sun, 31 Mar 2024 10:46:01 +0300
Subject: [PATCH] Require Bash >= 4.0

The Bash on MacOS X is ancient 3.2;
trying to support it will limit development of this script.
---
 securitytxt-signer.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/securitytxt-signer.sh b/securitytxt-signer.sh
index 795e2c4..1699b06 100755
--- a/securitytxt-signer.sh
+++ b/securitytxt-signer.sh
@@ -52,6 +52,12 @@ required_command() {
 
 UNMET=0
 
+if ((BASH_VERSINFO[0] < 4)); then
+  echo -e "\033[0;31mThis script requires bash >= 4.0\033[0m" >&2
+  echo -e "\033[0;31mYour bash ${BASH_VERSION} is unsupported.\033[0m" >&2
+  ((UNMET=UNMET+1))
+fi
+
 required_command "sed"
 required_command "awk"
 required_command "grep"