/** * @param OutputInterface $output */ protected function writeAlertMessageWhenCommandExecutedWithUnexpectedUser(OutputInterface $output) { if (SettingsServer::isWindows()) { // does not work on windows return; } $processUserAndGroup = Filechecks::getUserAndGroup(); $fileOwnerUserAndGroup = Filechecks::getOwnerOfPiwikFiles(); if (!$fileOwnerUserAndGroup || $processUserAndGroup == $fileOwnerUserAndGroup) { // current process user/group appear to be same as the Piwik filesystem user/group -> OK return; } $output->writeln(sprintf("<comment>It appears you have executed this update with user %s, while your Piwik files are owned by %s. \n\nTo ensure that the Piwik files are readable by the correct user, you may need to run the following command (or a similar command depending on your server configuration):\n\n\$ %s</comment>", $processUserAndGroup, $fileOwnerUserAndGroup, Filechecks::getCommandToChangeOwnerOfPiwikFiles())); }