function onPkgs( error, pkgs ) {
		if ( error ) {
			return done( error );
		}
		debug( 'Found %d packages.', pkgs.length );

		debug( 'Generating bundles...' );
		bundle( pkgs, opath, opts, done );
	}
Callback invoked after searching for packages.

@private
@param {(Error|null)} error - error object
@param {(EmptyArray|StringArray)} pkgs - package list
@returns {void}