initial pass at switching to plugn

plugins/nginx-vhosts/commands

@@ -130,7 +130,7 @@ EOF
 
       if is_deployed "$APP"; then
         dokku_log_info1 "Running nginx-pre-reload"
-        pluginhook nginx-pre-reload $APP $DOKKU_APP_LISTEN_PORT $DOKKU_APP_LISTEN_IP
+        plugn trigger nginx-pre-reload $APP $DOKKU_APP_LISTEN_PORT $DOKKU_APP_LISTEN_IP
 
         dokku_log_verbose "Reloading nginx"
         validate_nginx && restart_nginx
@@ -160,7 +160,7 @@ EOF
     fi
     ;;
   help | nginx:help)
-    cat && cat<<EOF
+    cat<<EOF
     nginx:build-config <app>, (Re)builds nginx config for given app
 EOF
     ;;

plugins/nginx-vhosts/plugin.toml

@@ -0,0 +1,4 @@
+[plugin]
+description = "dokku core nginx-vhosts plugin"
+version = "0.4.0"
+[plugin.config]