class Guard::Guardfile::Generator::NoSuchPlugin

def initialize(plugin_name)
  @plugin_name = plugin_name
  @class_name = plugin_name.delete("-").capitalize
end

def message
  "Could not load 'guard/#{plugin_name}'"\
  " or '~/.guard/templates/#{plugin_name}'"\
  " or find class Guard::#{class_name}\n"
end