add wordops version into upstream.conf

install

@@ -425,6 +425,9 @@ wo_upgrade_nginx() {
         rm -f /tmp/nginx-wo.key
         sudo apt-get update
 
+        CHECK_NGINX_UPSTREAM_VERSION=$(grep "v3.9.5" /etc/nginx/conf.d/upstream.conf)
+        if [ -z "$CHECK_NGINX_UPSTREAM_VERSION" ]; then
+
             # stop nginx
             service nginx stop
 
@@ -488,7 +491,7 @@ wo_upgrade_nginx() {
             [ -f "$HOME/nginx-block" ] && {
                 mv "$HOME/nginx-block" /etc/apt/preferences.d/nginx-block
             }
-
+        fi
     } >> "$wo_install_log" 2>&1
 
 }

wo/cli/templates/upstream.mustache

@@ -1,4 +1,5 @@
-# Common upstream settings
+# NGINX UPSTREAM CONFIGURATION v3.9.5
+# DO NOT MODIFY, ALL CHANGES WILL BE LOST AFTER AN WordOps (wo) UPDATE
 #-------------------------------
 # PHP 5.6
 #-------------------------------