Implements hook_install().
function locale_install() {
// Create the interface translations directory and ensure it's writable.
if (!($directory = config('locale.settings')
->get('translation.path'))) {
$directory = conf_path() . '/files/translations';
config('locale.settings')
->set('translation.path', $directory)
->save();
}
file_prepare_directory($directory, FILE_CREATE_DIRECTORY | FILE_MODIFY_PERMISSIONS);
}