Format with shfmt

1 files changed, 19 insertions, 19 deletions

diff --git a/wireguard-install.sh b/wireguard-install.sh
index 707b4e3..7c428e0 100644
--- a/wireguard-install.sh
+++ b/wireguard-install.sh
@@ -70,7 +70,7 @@ function installQuestions() {
 
 	# Detect public IPv4 or IPv6 address and pre-fill for the user
 	SERVER_PUB_IP=$(ip -4 addr | sed -ne 's|^.* inet \([^/]*\)/.* scope global.*$|\1|p' | head -1)
-	if [[ -z "${SERVER_PUB_IP}" ]]; then
+	if [[ -z ${SERVER_PUB_IP} ]]; then
 		# Detect public IPv6 address
 		SERVER_PUB_IP=$(ip -6 addr | sed -ne 's|^.* inet6 \([^/]*\)/.* scope global.*$|\1|p' | head -1)
 	fi
@@ -78,36 +78,36 @@ function installQuestions() {
 
 	# Detect public interface and pre-fill for the user
 	SERVER_NIC="$(ip -4 route ls | grep default | grep -Po '(?<=dev )(\S+)' | head -1)"
-	until [[ "${SERVER_PUB_NIC}" =~ ^[a-zA-Z0-9_]+$ ]]; do
+	until [[ ${SERVER_PUB_NIC} =~ ^[a-zA-Z0-9_]+$ ]]; do
 		read -rp "Public interface: " -e -i "${SERVER_NIC}" SERVER_PUB_NIC
 	done
 
-	until [[ "${SERVER_WG_NIC}" =~ ^[a-zA-Z0-9_]+$ ]]; do
+	until [[ ${SERVER_WG_NIC} =~ ^[a-zA-Z0-9_]+$ ]]; do
 		# shellcheck disable=SC2034
 		read -rp "WireGuard interface name: " -e -i wg0 SERVER_WG_NIC
 	done
 
-	until [[ "${SERVER_WG_IPV4}" =~ ^([0-9]{1,3}\.){3} ]]; do
+	until [[ ${SERVER_WG_IPV4} =~ ^([0-9]{1,3}\.){3} ]]; do
 		read -rp "Server's WireGuard IPv4: " -e -i 10.66.66.1 SERVER_WG_IPV4
 	done
 
-	until [[ "${SERVER_WG_IPV6}" =~ ^([a-f0-9]{1,4}:){3,4}: ]]; do
+	until [[ ${SERVER_WG_IPV6} =~ ^([a-f0-9]{1,4}:){3,4}: ]]; do
 		read -rp "Server's WireGuard IPv6: " -e -i fd42:42:42::1 SERVER_WG_IPV6
 	done
 
 	# Generate random number within private ports range
 	RANDOM_PORT=$(shuf -i49152-65535 -n1)
-	until [[ "${SERVER_PORT}" =~ ^[0-9]+$ ]] && [ "${SERVER_PORT}" -ge 1 ] && [ "${SERVER_PORT}" -le 65535 ]; do
+	until [[ ${SERVER_PORT} =~ ^[0-9]+$ ]] && [ "${SERVER_PORT}" -ge 1 ] && [ "${SERVER_PORT}" -le 65535 ]; do
 		read -rp "Server's WireGuard port [1-65535]: " -e -i "${RANDOM_PORT}" SERVER_PORT
 	done
 
 	# Adguard DNS by default
-	until [[ "${CLIENT_DNS_1}" =~ ^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$ ]]; do
+	until [[ ${CLIENT_DNS_1} =~ ^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$ ]]; do
 		read -rp "First DNS resolver to use for the clients: " -e -i 176.103.130.130 CLIENT_DNS_1
 	done
-	until [[ "${CLIENT_DNS_2}" =~ ^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$ ]]; do
+	until [[ ${CLIENT_DNS_2} =~ ^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$ ]]; do
 		read -rp "Second DNS resolver to use for the clients (optional): " -e -i 176.103.130.131 CLIENT_DNS_2
-		if [[ "${CLIENT_DNS_2}" == "" ]]; then
+		if [[ ${CLIENT_DNS_2} == "" ]]; then
 			CLIENT_DNS_2="${CLIENT_DNS_1}"
 		fi
 	done
@@ -123,13 +123,13 @@ function installWireGuard() {
 	installQuestions
 
 	# Install WireGuard tools and module
-	if [[ "${OS}" == 'ubuntu' ]]; then
+	if [[ ${OS} == 'ubuntu' ]]; then
 		apt-get install -y software-properties-common
 		add-apt-repository -y ppa:wireguard/wireguard
 		apt-get update
 		apt-get install -y "linux-headers-$(uname -r)"
 		apt-get install -y wireguard iptables resolvconf qrencode
-	elif [[ "${OS}" == 'debian' ]]; then
+	elif [[ ${OS} == 'debian' ]]; then
 		if ! grep -rqs "^deb .* buster-backports" /etc/apt/; then
 			echo "deb http://deb.debian.org/debian buster-backports main" >/etc/apt/sources.list.d/backports.list
 			apt-get update
@@ -137,18 +137,18 @@ function installWireGuard() {
 		apt update
 		apt-get install -y iptables resolvconf qrencode
 		apt-get install -y -t buster-backports wireguard
-	elif [[ "${OS}" == 'fedora' ]]; then
-		if [[ "${VERSION_ID}" -lt 32 ]]; then
+	elif [[ ${OS} == 'fedora' ]]; then
+		if [[ ${VERSION_ID} -lt 32 ]]; then
 			dnf install -y dnf-plugins-core
 			dnf copr enable -y jdoss/wireguard
 			dnf install -y wireguard-dkms
 		fi
 		dnf install -y wireguard-tools iptables qrencode
-	elif [[ "${OS}" == 'centos' ]]; then
+	elif [[ ${OS} == 'centos' ]]; then
 		curl -Lo /etc/yum.repos.d/wireguard.repo https://copr.fedorainfracloud.org/coprs/jdoss/wireguard/repo/epel-7/jdoss-wireguard-epel-7.repo
 		yum -y install epel-release kernel kernel-devel kernel-headers
 		yum -y install wireguard-dkms wireguard-tools iptables qrencode
-	elif [[ "${OS}" == 'arch' ]]; then
+	elif [[ ${OS} == 'arch' ]]; then
 		pacman -S --noconfirm linux-headers
 		pacman -S --noconfirm wireguard-tools iptables qrencode
 	fi
@@ -204,7 +204,7 @@ net.ipv6.conf.all.forwarding = 1" >/etc/sysctl.d/wg.conf
 	WG_RUNNING=$?
 
 	# WireGuard might not work if we updated the kernel. Tell the user to reboot
-	if [[ "${WG_RUNNING}" -ne 0 ]]; then
+	if [[ ${WG_RUNNING} -ne 0 ]]; then
 		echo -e "\nWARNING: WireGuard does not seem to be running."
 		echo "You can check if WireGuard is running with: systemctl status wg-quick@${SERVER_WG_NIC}"
 		echo 'If you get something like "Cannot find device wg0", please reboot!'
@@ -222,11 +222,11 @@ function newClient() {
 	ENDPOINT="${SERVER_PUB_IP}:${SERVER_PORT}"
 
 	printf "\n"
-	until [[ "${CLIENT_WG_IPV4}" =~ ^([0-9]{1,3}\.?){4}$ ]]; do
+	until [[ ${CLIENT_WG_IPV4} =~ ^([0-9]{1,3}\.?){4}$ ]]; do
 		read -rp "Client's WireGuard IPv4: " -e -i "${SERVER_WG_IPV4::-1}"2 CLIENT_WG_IPV4
 	done
 
-	until [[ "${CLIENT_WG_IPV6}" =~ ^([a-f0-9]{1,4}:?:?){3,5} ]]; do
+	until [[ ${CLIENT_WG_IPV6} =~ ^([a-f0-9]{1,4}:?:?){3,5} ]]; do
 		read -rp "Client's WireGuard IPv6 : " -e -i "${SERVER_WG_IPV6::-1}"2 CLIENT_WG_IPV6
 	done
 
@@ -285,7 +285,7 @@ function manageMenu() {
 	echo "What do you want to do?"
 	echo "   1) Add a new user"
 	echo "   2) Exit"
-	until [[ "${MENU_OPTION}" =~ ^[1-2]$ ]]; do
+	until [[ ${MENU_OPTION} =~ ^[1-2]$ ]]; do
 		read -rp "Select an option [1-2]: " MENU_OPTION
 	done
 	case "${MENU_OPTION}" in