Add checkOS ()

openvpn-install.sh

@@ -21,21 +21,8 @@ function tunAvailable () {
 	fi
 }
 
-function initialCheck () {
-	if ! isRoot; then
-		echo "Sorry, you need to run this as root"
-		exit 1
-	elif ! tunAvailable; then
-		echo "TUN is not available"
-		exit 2
-	fi
-}
-
-# Main
-
-initialCheck
-
-if [[ -e /etc/debian_version ]]; then
+function checkOS() {
+	if [[ -e /etc/debian_version ]]; then
 		OS="debian"
 		# Getting the version number, to verify that a recent version of OpenVPN is available
 		VERSION_ID=$(grep "VERSION_ID" /etc/os-release)
@@ -55,10 +42,10 @@ if [[ -e /etc/debian_version ]]; then
 				exit 4
 			fi
 		fi
-elif [[ -e /etc/fedora-release ]]; then
+	elif [[ -e /etc/fedora-release ]]; then
 		OS=fedora
 		IPTABLES='/etc/iptables/iptables.rules'
-elif [[ -e /etc/centos-release ]]; then
+	elif [[ -e /etc/centos-release ]]; then
 		if ! grep -qs "^CentOS Linux release 7" /etc/centos-release; then
 			echo "Your version of CentOS is not supported."
 			echo "The script only support CentOS 7."
@@ -74,11 +61,26 @@ elif [[ -e /etc/centos-release ]]; then
 		fi
 		OS=centos
 		IPTABLES='/etc/iptables/iptables.rules'
-else
+	else
 		echo "Looks like you aren't running this installer on a Debian, Ubuntu, Fedora or CentOS system"
 		exit 4
-fi
+	fi
+}
 
+function initialCheck () {
+	if ! isRoot; then
+		echo "Sorry, you need to run this as root"
+		exit 1
+	elif ! tunAvailable; then
+		echo "TUN is not available"
+		exit 2
+	fi
+	checkOS
+}
+
+# Main
+
+initialCheck
 
 function newclient () {
 	echo ""