# File lib/brakeman.rb, line 153
  def self.config_file custom_location, app_path
    app_config = File.expand_path(File.join(app_path, "config", "brakeman.yml"))
    supported_locations = [File.expand_path(custom_location || ""), app_config] + CONFIG_FILES
    supported_locations.detect {|f| File.file?(f) }
  end