Fix crash when no jobs defined

lib/crono/cli.rb

@@ -29,7 +29,11 @@ module Crono
       Cronotab.process(File.expand_path(config.cronotab))
       print_banner
 
-      check_jobs
+      unless have_jobs?
+        logger.error "You have no jobs in you cronotab file #{config.cronotab}"
+        return
+      end
+
       if config.daemonize
         start_working_loop_in_daemon
       else
@@ -39,6 +43,10 @@ module Crono
 
     private
 
+    def have_jobs?
+      Crono.scheduler.jobs.present?
+    end
+
     def setup_log
       if config.daemonize
         self.logfile = config.logfile
@@ -85,11 +93,6 @@ module Crono
       ::Rails.application.eager_load!
     end
 
-    def check_jobs
-      return if Crono.scheduler.jobs.present?
-      logger.error "You have no jobs in you cronotab file #{config.cronotab}"
-    end
-
     def start_working_loop_in_daemon
       unless ENV['RAILS_ENV'] == 'test'
         begin