# File lib/churn/options.rb, line 24
    def set_options(options = {})
      @data_directory      = options.fetch(:data_directory){ @data_directory } unless options[:data_directory]==''
      @minimum_churn_count = options.fetch(:minimum_churn_count){ @minimum_churn_count }.to_i
      @ignores             = (options.fetch(:ignores){ @ignores }).to_s.split(',').map(&:strip)
      @ignores << '/dev/null' unless @ignores.include?('/dev/null')
      @start_date          = options[:start_date] if !options[:start_date].nil? && options[:start_date]!=''
      @history             = options[:history] if !options[:history].nil? && options[:history]!=''
      if @history=='true'
        @history = DEFAULT_START_TIME
      end
      if !options[:report].nil? && options[:report]!=''
        @report_host         = options[:report]
        if @report_host=='true'
          @report_host = DEFAULT_REPORT_HOST
        end
      end

      @name = options[:name] if !options[:name].nil? && options[:name]!=''
      if !@report_host.nil? && @name.nil?
        raise ArgumentError.new "If you are reporting churn results you must pass a valid github project name in the form of username/project_name"
      end

      self
    end