class ChefCLI::PolicyfileCompiler

def install
  ensure_cache_dir_exists
  cookbook_and_recipe_list = combined_run_lists.map(&:name).map do |recipe_spec|
    cookbook, _separator, recipe = recipe_spec.partition("::")
    recipe = "default" if recipe.empty?
    [cookbook, recipe]
  end
  missing_recipes_by_cb_spec = {}
  graph_solution.each do |cookbook_name, version|
    spec = cookbook_location_spec_for(cookbook_name)
    if spec.nil? || !spec.version_fixed?
      spec = create_spec_for_cookbook(cookbook_name, version)
      install_report.installing_cookbook(spec)
      spec.ensure_cached
    end
    required_recipes = cookbook_and_recipe_list.select { |cb_name, _recipe| cb_name == spec.name }
    missing_recipes = required_recipes.select { |_cb_name, recipe| !spec.cookbook_has_recipe?(recipe) }
    unless missing_recipes.empty?
      missing_recipes_by_cb_spec[spec] = missing_recipes
    end
  end
  unless missing_recipes_by_cb_spec.empty?
    message = "The installed cookbooks do not contain all the recipes required by your run list(s):\n"
    missing_recipes_by_cb_spec.each do |spec, missing_items|
      message << "#{spec}\nis missing the following required recipes:\n"
      missing_items.each { |_cb, recipe| message << "* #{recipe}\n" }
    end
    message << "\n"
    message << "You may have specified an incorrect recipe in your run list,\nor this recipe may not be available in that version of the cookbook\n"
    raise CookbookDoesNotContainRequiredRecipe, message
  end
end