Add CLI flags to override app name and description

cmd/baton-sql/main.go

@@ -47,7 +47,19 @@ func main() {
 func getConnector(ctx context.Context, v *viper.Viper) (types.ConnectorServer, error) {
 	l := ctxzap.Extract(ctx)
 
-	cb, err := connector.New(ctx, v.GetString("config-path"))
+	var opts []connector.NewOption
+
+	// Apply app-name override if provided
+	if appName := v.GetString("app-name"); appName != "" {
+		opts = append(opts, connector.WithAppName(appName))
+	}
+
+	// Apply app-description override if provided
+	if appDescription := v.GetString("app-description"); appDescription != "" {
+		opts = append(opts, connector.WithAppDescription(appDescription))
+	}
+
+	cb, err := connector.New(ctx, v.GetString("config-path"), opts...)
 	if err != nil {
 		l.Error("error creating connector", zap.Error(err))
 		return nil, err

pkg/config/schema.go

@@ -9,9 +9,23 @@ var (
 		field.WithDescription("The file path to the baton-sql config to use"),
 	)
 
+	AppNameField = field.StringField(
+		"app-name",
+		field.WithRequired(false),
+		field.WithDescription("Override the app_name from the config file"),
+	)
+
+	AppDescriptionField = field.StringField(
+		"app-description",
+		field.WithRequired(false),
+		field.WithDescription("Override the app_description from the config file"),
+	)
+
 	// ConfigurationFields defines the external configuration required for the connector to run.
 	ConfigurationFields = []field.SchemaField{
 		ConfigPathField,
+		AppNameField,
+		AppDescriptionField,
 	}
 	ConfigurationSchema = field.NewConfiguration(ConfigurationFields)
 )

pkg/connector/connector.go

@@ -84,15 +84,41 @@ func (c *Connector) Validate(ctx context.Context) (annotations.Annotations, erro
 }
 
 // New returns a new instance of the connector.
-func New(ctx context.Context, configFilePath string) (*Connector, error) {
+func New(ctx context.Context, configFilePath string, opts ...NewOption) (*Connector, error) {
 	c, err := bsql.LoadConfigFromFile(configFilePath)
 	if err != nil {
 		return nil, err
 	}
 
+	// Apply options to override config values
+	for _, opt := range opts {
+		opt(c)
+	}
+
 	return newConnector(ctx, c)
 }
 
+// NewOption is a function that modifies the config.
+type NewOption func(*bsql.Config)
+
+// WithAppName sets the app name, overriding the config file value.
+func WithAppName(name string) NewOption {
+	return func(c *bsql.Config) {
+		if name != "" {
+			c.AppName = name
+		}
+	}
+}
+
+// WithAppDescription sets the app description, overriding the config file value.
+func WithAppDescription(description string) NewOption {
+	return func(c *bsql.Config) {
+		if description != "" {
+			c.AppDescription = description
+		}
+	}
+}
+
 func newConnector(ctx context.Context, c *bsql.Config) (*Connector, error) {
 	opts := database.ConnectOptions{
 		DSN:      c.Connect.DSN,