class ChefCLI::PolicyfileCompiler

def create_spec_for_cookbook(cookbook_name, version)
  matching_source = best_source_for(cookbook_name)
  source_options = matching_source.source_options_for(cookbook_name, version)
  spec = Policyfile::CookbookLocationSpecification.new(cookbook_name, "= #{version}", source_options, storage_config)
  @artifact_server_cookbook_location_specs[cookbook_name] = spec
end