private static function vendor_identifier($type)
 {
     $os_vendor = phodevi::read_property('system', 'vendor-identifier');
     switch ($type) {
         case 'package-list':
             $file_check_success = is_file(PTS_EXDEP_PATH . 'xml/' . $os_vendor . '-packages.xml');
             break;
         case 'installer':
             $file_check_success = is_file(PTS_EXDEP_PATH . 'scripts/install-' . $os_vendor . '-packages.sh');
             break;
     }
     if ($file_check_success == false) {
         // Check the aliases to figure out the upstream distribution
         $os_vendor = false;
         $exdep_generic_parser = new pts_exdep_generic_parser();
         foreach ($exdep_generic_parser->get_vendors_list() as $this_vendor) {
             $exdep_platform_parser = new pts_exdep_platform_parser($this_vendor);
             $aliases = $exdep_platform_parser->get_aliases();
             if (in_array($os_vendor, $aliases)) {
                 $os_vendor = $this_vendor;
                 break;
             }
         }
         if ($os_vendor == false) {
             // Attempt to match the current operating system by seeing what package manager matches
             foreach ($exdep_generic_parser->get_vendors_list() as $this_vendor) {
                 $exdep_platform_parser = new pts_exdep_platform_parser($this_vendor);
                 $package_manager = $exdep_platform_parser->get_package_manager();
                 if ($package_manager != null && pts_client::executable_in_path($package_manager)) {
                     $os_vendor = $this_vendor;
                     break;
                 }
             }
         }
     }
     return $os_vendor;
 }
 public function get_vendor_aliases_formatted()
 {
     $alias_list = array();
     foreach ($this->get_vendors_list() as $vendor) {
         $exdep_platform_parser = new pts_exdep_platform_parser($vendor);
         $aliases = $exdep_platform_parser->get_aliases_formatted();
         foreach ($aliases as $alias) {
             array_push($alias_list, $alias);
         }
     }
     return $alias_list;
 }