function doDownloadAll($command, $options, $params)
    {
        $savechannel = $this->config->get('default_channel');
        $reg = &$this->config->getRegistry();
        $channel = isset($options['channel']) ? $options['channel'] :
            $this->config->get('default_channel');
        if (!$reg->channelExists($channel)) {
            $this->config->set('default_channel', $savechannel);
            return $this->raiseError('Channel "' . $channel . '" does not exist');
        }
        $this->config->set('default_channel', $channel);

        $this->ui->outputData('Using Channel ' . $this->config->get('default_channel'));
        $chan = $reg->getChannel($channel);
        if (PEAR::isError($chan)) {
            return $this->raiseError($chan);
        }

        if ($chan->supportsREST($this->config->get('preferred_mirror')) &&
              $base = $chan->getBaseURL('REST1.0', $this->config->get('preferred_mirror'))) {
            $rest = &$this->config->getREST('1.0', array());
            $remoteInfo = array_flip($rest->listPackages($base, $channel));
        }

        if (PEAR::isError($remoteInfo)) {
            return $remoteInfo;
        }

        $cmd = &$this->factory("download");
        if (PEAR::isError($cmd)) {
            return $cmd;
        }

        $this->ui->outputData('Using Preferred State of ' .
            $this->config->get('preferred_state'));
        $this->ui->outputData('Gathering release information, please wait...');

        /**
         * Error handling not necessary, because already done by
         * the download command
         */
        PEAR::staticPushErrorHandling(PEAR_ERROR_RETURN);
        $err = $cmd->run('download', array('downloadonly' => true), array_keys($remoteInfo));
        PEAR::staticPopErrorHandling();
        $this->config->set('default_channel', $savechannel);
        if (PEAR::isError($err)) {
            $this->ui->outputData($err->getMessage());
        }

        return true;
    }