Cache::getId should return as int (not string)

[patricksebastien]

Steps to reproduce

1. Using the groupfolder permission occ command:
   occ groupfolders:permissions 4 --user User / -- +write

Expected behaviour

Setting the permission for the folder without error.

Actual behaviour

TypeError: Argument 2 passed to OCA\GroupFolders\ACL\Rule::__construct() must be of the type integer, string given, called in /var/www/html/nextcloud/apps/groupfolders/lib/Command/ACL.php on line 185 and defined in /var/www/html/nextcloud/apps/groupfolders/lib/ACL/Rule.php:48

Solution

Forcing intval() on Cache::getId
https://github.com/nextcloud/server/blob/master/lib/private/Files/Cache/Cache.php#L419

Groupfolder issue:

nextcloud/groupfolders#470

Server configuration

Operating system:
Ubuntu

Web server:
Nginx

Database:
Mysql

PHP version:
7.2

Nextcloud version:
16.0.4