def config_files(override)
      # Adjust verbosity quickly
      Jekyll.logger.adjust_verbosity(
        :quiet   => quiet?(override),
        :verbose => verbose?(override)
      )

      # Get configuration from <source>/_config.yml or <source>/<config_file>
      config_files = override["config"]
      if config_files.to_s.empty?
        default = %w(yml yaml toml).find(-> { "yml" }) do |ext|
          File.exist?(Jekyll.sanitized_path(source(override), "_config.#{ext}"))
        end
        config_files = Jekyll.sanitized_path(source(override), "_config.#{default}")
        @default_config_file = true
      end
      Array(config_files)
    end
def config_files(override)
      # Adjust verbosity quickly
      Jekyll.logger.adjust_verbosity(
        :quiet   => quiet?(override),
        :verbose => verbose?(override)
      )

      # Get configuration from <source>/_config.yml or <source>/<config_file>
      config_files = override["config"]
      if config_files.to_s.empty?
        default = %w(yml yaml toml).find(-> { "yml" }) do |ext|
          File.exist?(Jekyll.sanitized_path(source(override), "_config.#{ext}"))
        end
        config_files = Jekyll.sanitized_path(source(override), "_config.#{default}")
        @default_config_file = true
      end
      Array(config_files)
    end
Public: Generate list of configuration files from the override

 override - the command-line options hash

 Returns an Array of config files