Error if the config file can’t be found

cmd/root.go

@@ -98,5 +98,8 @@ func initConfig() {
 	// If a config file is found, read it in.
 	if err := viper.ReadInConfig(); err == nil {
 		colorPrint(check.INFO, fmt.Sprintf("Using config file: %s\n", viper.ConfigFileUsed()))
+	} else {
+		colorPrint(check.FAIL, fmt.Sprintf("Faied to read config file: %v\n", err))
+		os.Exit(1)
 	}
 }