/**
* Unzips compressed package archives.
*
* @param string $archive filename
* @return string new filename
*/
public static function unzipPackageArchive($archive)
{
if (!FileUtil::isURL($archive)) {
$tar = new Tar($archive);
$tar->close();
if ($tar->isZipped()) {
$tmpName = FileUtil::getTemporaryFilename('package_');
if (FileUtil::uncompressFile($archive, $tmpName)) {
return $tmpName;
}
}
}
return $archive;
}