/** * @param string $dumpFile * @return null|bool True if delete succeeds. Null if we didn't delete * because we're keeping the dump file. False if we tried * to delete, but failed. */ public function deleteDumpFile($dumpFile) { // if we want to keep the dump file, don't do anything if ($this->options->shouldKeepDump()) { return null; } $this->command->exec("rm " . escapeshellarg($dumpFile)); return $this->command->success(); }