pfSense

	// Back up /usr/local/lib libraries first

	if(!file_exists("/tmp/pkg_libs.tgz")) {

		update_output_window($static_output);

		exec("/usr/bin/tar czPf /tmp/pkg_libs.tgz `/bin/cat /etc/pfSense_md5.txt | /usr/bin/grep 'local/lib' | /usr/bin/awk '{ print $2 }' | /usr/bin/cut -d'(' -f2 | /usr/bin/cut -d')' -f1`");

		$static_output .= "\n";

		$base_url = $priv_url;

	if (substr($base_url, -1) == "/")

		$base_url = substr($base_url, 0, -1);

	$fetchto = "{$g['tmp_path']}/apkg_{$filename}";

	$static_output .= "\n\t" . str_repeat(" ", $dependlevel * 2 + 1) . "Downloading {$base_url}/{$filename} ... ";

	if (download_file_with_progress_bar("{$base_url}/{$filename}", $fetchto) !== true) {

		return;

	}

	pkg_debug("Removing {$pkg} package... ");

	update_output_window($static_output);

	/* parse package configuration */

	$packages = &$config['installedpackages']['package'];