Syncing / refreshing file list for Google Drive external storage only works with files added via OwnCloud. When files are uploaded to GoogleDrive OwnCloud Desktop Client ignores them. The iOS mobile app client DOES update to show files added via Google Drive.
Files added to Google Drive (via Google Drive UI) should be downloaded by Google Drive added as external storage in OwnCloud account.
Files added to Google Drive (via Google Drive UI) do not get synced to Google Drive added to OwnCLoud as external storage.
Steps to reproduce
1.Set up Google Drive and external storage as described here https://doc.owncloud.org/server/8.2/admin_manual/configuration_files/external_storage/google.html
2. Log-in to Gmail account - go to Google Drive and upload or delete a file.
3. OwnCloud desktop client does not update to reflect these changes
Operating system: CENTOS 7.5
Web server: LiteSpeed 5.2.3
PHP version: 7.0.1
ownCloud version: 10.0.8 (stable)
Storage backend (external storage): VPS SSD + Google Drive
Client version: Version 2.4.1 (build 9270)
Operating system: Windows 7
OS language: English
Installation path of client: C:\Program Files (x86)\ownCloud\owncloud.exe
Nothing in logs