default to standard mumble port when not specified

main.go

@@ -4,6 +4,7 @@ import (
 	"crypto/tls"
 	"flag"
 	"fmt"
+	"net"
 	"os"
 
 	"golang.org/x/term"
@@ -12,9 +13,11 @@ import (
 	_ "layeh.com/gumble/opus"
 )
 
+const defaultPort = "64738"
+
 func main() {
 	// Command line flags
-	server := flag.String("server", "localhost:64738", "the server to connect to")
+	server := flag.String("server", "localhost", "the server to connect to (host or host:port)")
 	username := flag.String("username", "", "the username of the client")
 	password := flag.String("password", "", "the password of the server (use MUMBLE_PASSWORD env var instead)")
 	passwordPrompt := flag.Bool("password-prompt", false, "prompt for server password on stdin")
@@ -39,10 +42,16 @@ func main() {
 		pass = string(raw)
 	}
 
+	// Default to standard Mumble port if not specified
+	addr := *server
+	if _, _, err := net.SplitHostPort(addr); err != nil {
+		addr = net.JoinHostPort(addr, defaultPort)
+	}
+
 	// Initialize
 	b := Barnard{
 		Config:  gumble.NewConfig(),
-		Address: *server,
+		Address: addr,
 	}
 
 	b.Config.Username = *username