fix: --v

cmd/server/server.go

@@ -50,6 +50,8 @@ func main() {
 	configFlag := fs.String("f", "", "config file path")
 	fs.StringVar(configFlag, "config", "", "alias for -f")
 	saveConfig := fs.Bool("save-config", false, "write default config and exit")
+	showVersion := fs.Bool("v", false, "print version and exit")
+	fs.BoolVar(showVersion, "version", false, "alias for -v")
 
 	rest := os.Args[1:]
 	var args []string
@@ -63,6 +65,11 @@ func main() {
 		rest = rest[1:]
 	}
 
+	if *showVersion {
+		fmt.Println(nadir.Version)
+		os.Exit(0)
+	}
+
 	if *configFlag != "" {
 		os.Setenv("CONFIG_PATH", *configFlag)
 	}