show correct error when directory does not exist

main.go

@@ -109,6 +109,12 @@ func main() {
 		}
 	}
 
+	if !strings.HasPrefix(directory, "/") {
+		if wd, err := os.Getwd(); err != nil {
+			directory = path.Join(directory, wd)
+		}
+	}
+
 	// logout (--logout)
 	if logout {
 		cfg.Token = nil
@@ -146,6 +152,10 @@ func main() {
 	// read directory metadata
 	metadata, err := scanner.ReadMetadata(directory)
 	if err != nil {
+		if os.IsNotExist(err) {
+			log.Fatalf("Directory does not exist: %s", directory)
+			os.Exit(1)
+		}
 		log.Fatalf("Failed to fetch VOD metadata: %v", err)
 		os.Exit(1)
 	}