From 4af37ba46d72397b993202ad99420e6c5fd7e6f6 Mon Sep 17 00:00:00 2001
From: Wilson Kazuo Mizutani <kazuo256@gmail.com>
Date: Sun, 20 Jun 2021 18:08:07 -0300
Subject: [PATCH] Make linux-readline support POSIX sh compatible

See the following PR's discussion for more details:

https://github.com/DhavalKapil/luaver/pull/64
---
 luaver | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/luaver b/luaver
index 3359a89..2c8e3dd 100755
--- a/luaver
+++ b/luaver
@@ -428,7 +428,7 @@ __luaver_install_lua()
         __luaver_print "Unable to detect platform. Using default 'posix'"
         platform=posix
     else
-        if [[ "${version}" =~ 5[.]4[.][0-9]+ ]]
+        if [ -n "$('echo' "${version}" | 'awk' '/^5\.4\./')" ]
         then
             platform="${platform}-readline"
         fi