Version parameter

main.go

@@ -32,6 +32,7 @@ var (
 	logger              *slog.Logger
 	flagConfigFile      string
 	flagDev             bool
+	flagVersion         bool
 	service             *ws.Service
 	logFile             *os.File
 	parsedTemplates     map[string]*template.Template
@@ -59,6 +60,7 @@ func init() { // {{{
 	cfgPath := path.Join(confDir, "smon.yaml")
 	flag.StringVar(&flagConfigFile, "config", cfgPath, "Path and filename of the YAML configuration file")
 	flag.BoolVar(&flagDev, "dev", false, "reload templates on each request")
+	flag.BoolVar(&flagVersion, "version", false, "Display version and exit")
 	flag.Parse()
 
 	componentFilenames, err = getComponentFilenames(viewFS)
@@ -70,6 +72,11 @@ func init() { // {{{
 } // }}}
 
 func main() { // {{{
+	if flagVersion {
+		fmt.Println(VERSION)
+		os.Exit(0)
+	}
+
 	var err error
 
 	werr.Init()