From 274eca5c51cab8dffc3b86b620dba32e84a3dd90 Mon Sep 17 00:00:00 2001
From: Thibault Maekelbergh <6213695+thibmaek@users.noreply.github.com>
Date: Mon, 22 Nov 2021 16:39:23 +0100
Subject: [PATCH 1/2] Add guard against Bash versions lower than 5

---
 bin/functions | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/bin/functions b/bin/functions
index 9cd605c5..b01a0703 100755
--- a/bin/functions
+++ b/bin/functions
@@ -3,6 +3,11 @@
 source "${ASDF_DIR:-$HOME/.asdf}/lib/utils.bash"
 CACHE_DIR="${TMPDIR:-/tmp}/asdf-java.cache"
 
+if [ ! "${BASH_VERSINFO:-0}" -ge 5 ]; then
+  echo "Bash 5 or higher is required for asdf-java"
+  exit 1
+fi
+
 if [ ! -d "${CACHE_DIR}" ]
 then
     mkdir -p "${CACHE_DIR}"

From a1bd1d7bb742ddd3a24e289c623c8c054bef461d Mon Sep 17 00:00:00 2001
From: Thibault Maekelbergh <6213695+thibmaek@users.noreply.github.com>
Date: Mon, 22 Nov 2021 16:43:50 +0100
Subject: [PATCH 2/2] Add link to reqs

---
 bin/functions | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/bin/functions b/bin/functions
index b01a0703..35c61eec 100755
--- a/bin/functions
+++ b/bin/functions
@@ -4,7 +4,8 @@ source "${ASDF_DIR:-$HOME/.asdf}/lib/utils.bash"
 CACHE_DIR="${TMPDIR:-/tmp}/asdf-java.cache"
 
 if [ ! "${BASH_VERSINFO:-0}" -ge 5 ]; then
-  echo "Bash 5 or higher is required for asdf-java"
+  echo "Bash 5 or higher is required for asdf-java."
+  echo "Please refer to the requirements for more info: https://github.com/halcyon/asdf-java#requirements"
   exit 1
 fi