def run!
      raise_error_if_development_or_master
      story = @configuration.story
      fail("Could not find story associated with branch") unless story
      story.can_merge?
      commit_message = options[:commit_message]
      if story.release?
        story.merge_release!(commit_message, @options)
      else
        story.merge_to_roots!(commit_message, @options)
      end
      return 0
    end
def run!
      raise_error_if_development_or_master
      story = @configuration.story
      fail("Could not find story associated with branch") unless story
      story.can_merge?
      commit_message = options[:commit_message]
      if story.release?
        story.merge_release!(commit_message, @options)
      else
        story.merge_to_roots!(commit_message, @options)
      end
      return 0
    end
Finishes a Pivotal Tracker story