add quiet flag to disable logging

server/options.go

@@ -32,6 +32,7 @@ type Options struct {
 	WSOrigin            string           `hcl:"ws_origin" flagName:"ws-origin" flagDescribe:"A regular expression that matches origin URLs to be accepted by WebSocket. No cross origin requests are acceptable by default" default:""`
 	Term                string           `hcl:"term" flagName:"term" flagDescribe:"Terminal name to use on the browser, one of xterm or hterm." default:"xterm"`
 	EnableWebGL         bool             `hcl:"enable_webgl" flagName:"enable-webgl" flagDescribe:"Enable WebGL renderer" default:"true"`
+	Quiet               bool             `hcl:"quiet" flagName:"quiet" flagDescribe:"Don't log" default:"false"`
 
 	TitleVariables map[string]interface{}
 }