FileDB::commit PHP Method

    function commit()
    {
        if ($this->txFp === false) {
            throw new LogicException('transaction is not active');
        }
        $ex = null;
        try {
            $did_write = $this->txWriteData();
        } catch (Exception $e) {
            $ex = $e;
        }
        $this->txEnd($ex);
        if ($ex) {
            throw $ex;
        }
        # commit to repo
        if ($did_write && $this->autocommitToRepo) {
            gb::log('committing changes to ' . $this->file);
            if (!($author = $this->autocommitToRepoAuthor)) {
                $author = GBUser::findAdmin()->gitAuthor();
            }
            $m = $this->autocommitToRepoMessage ? $this->autocommitToRepoMessage : 'autocommit:' . $this->file;
            git::add($this->file);
            git::commit($m, $author);
            # rollback() will handle gb::reset if needed
        }
        return $did_write;
    }