def show(objectish=nil, path=nil)
      arr_opts = []

      arr_opts << (path ? "#{objectish}:#{path}" : objectish)

      command('show', arr_opts.compact)
    end
def show(objectish=nil, path=nil)
      arr_opts = []

      arr_opts << (path ? "#{objectish}:#{path}" : objectish)

      command('show', arr_opts.compact)
    end
Shows objects

 @param [String|NilClass] objectish the target object reference (nil == HEAD)
 @param [String|NilClass] path the path of the file to be shown
 @return [String] the object information