installInitScript optimize

Should not install systemV init script when we have systemd

release/install-release.sh

@@ -324,9 +324,11 @@ installV2Ray(){
 
 
 installInitScript(){
-    if [[ -n "${SYSTEMCTL_CMD}" ]] && [[ ! -f "/etc/systemd/system/v2ray.service" && ! -f "/lib/systemd/system/v2ray.service" ]]; then
-        unzip -oj "$1" "$2systemd/v2ray.service" -d '/etc/systemd/system' && \
-        systemctl enable v2ray.service
+    if [[ -n "${SYSTEMCTL_CMD}" ]]; then
+        if [[ ! -f "/etc/systemd/system/v2ray.service" && ! -f "/lib/systemd/system/v2ray.service" ]]; then
+            unzip -oj "$1" "$2systemd/v2ray.service" -d '/etc/systemd/system' && \
+            systemctl enable v2ray.service
+        fi
     elif [[ -n "${SERVICE_CMD}" ]] && [[ ! -f "/etc/init.d/v2ray" ]]; then
         installSoftware 'daemon' && \
         unzip -oj "$1" "$2systemv/v2ray" -d '/etc/init.d' && \