class ChefCLI::Command::DescribeCookbook

def check_cookbook_path
  unless File.exist?(cookbook_path)
    ui.err("Given cookbook path '#{cookbook_path}' does not exist or is not readable")
    return false
  end
  mdrb_path = File.join(cookbook_path, "metadata.rb")
  mdjson_path = File.join(cookbook_path, "metadata.json")
  unless File.exist?(mdrb_path) || File.exist?(mdjson_path)
    ui.err("Given cookbook path '#{cookbook_path}' does not appear to be a cookbook, it does not contain a metadata.rb or metadata.json")
    return false
  end
  true
end