From 75685ca2b9f1166130a96c6448cd6f686829d903 Mon Sep 17 00:00:00 2001
From: img2tab <31696646+img2tab@users.noreply.github.com>
Date: Mon, 5 Nov 2018 08:36:33 +0000
Subject: [PATCH] fixed BASH_VERSION check

---
 macos_okiomov.sh | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/macos_okiomov.sh b/macos_okiomov.sh
index 39b7576..5d6187a 100644
--- a/macos_okiomov.sh
+++ b/macos_okiomov.sh
@@ -2,7 +2,7 @@
 # One-Key-Installation of macOS on VirtualBox
 # (c) img2tab, licensed under GPL2.0 or higher
 # url: https://github.com/img2tab/okiomov
-# version 0.2
+# version 0.21
 
 # Requirements: 33.5GB available storage on host
 # Dependencies: bash>4.0, unzip, wget, dmg2img, VirtualBox>5.2
@@ -38,11 +38,12 @@ exec 2>/dev/null
 
 # check dependencies
 
-if [ -n "${BASH_VERSION}" ]; then
-    if [ "${BASH_VERSION:0:1}" -lt 4 ]; then
-        echo "Please run this script in BASH 4.0 or higher."
-        exit
-    fi
+if [ -z "${BASH_VERSION}" ]; then
+    echo "Can't determine BASH_VERSION. Exiting."
+    exit
+elif [ "${BASH_VERSION:0:1}" -lt 4 ]; then
+    echo "Please run this script on BASH 4.0 or higher."
+    exit
 fi
 
 if [ -z "$(unzip -hh)" \