[stable31] fix: Transfer ownership with S3 as primary #52185
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When using S3 as primary storage, transferring ownership with the `--move` option fail with the following error: `SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry '8-45b963397aa40d4a0063e0d85e4fe7a1' for key 'fs_storage_path_hash'` The `--move` option moves the entire home folder from one account to another. The error means that the move failed because the destination folder already exist in `oc_filecache`. - With S3 as primary storage, folders only exists as entries in `oc_filecache`. - With S3 as primary storage, `moveFromStorage(...)` only moves the cache entry, as nothing needs to be moved on disk. This cache move does not delete potentially pre-existing destination folder. - With Local storage, `moveFromStorage(...)` calls `rename(...)` which delete pre-existing folder. - `transfer(...)`: https://github.com/nextcloud/server/blob/687a4d9ac7fcdbd935f81a0def567a1092306f7a/apps/files/lib/Service/OwnershipTransferService.php#L112 - `oneTimeUserSetup(...)`: https://github.com/nextcloud/server/blob/687a4d9ac7fcdbd935f81a0def567a1092306f7a/lib/private/Files/SetupManager.php#L261-L262 - `mkdir(...)`: https://github.com/nextcloud/server/blob/687a4d9ac7fcdbd935f81a0def567a1092306f7a/lib/private/Files/ObjectStore/ObjectStoreStorage.php#L91-L135 - `moveFromStorage(...)`: https://github.com/nextcloud/server/blob/687a4d9ac7fcdbd935f81a0def567a1092306f7a/lib/private/Files/ObjectStore/ObjectStoreStorage.php#L635-L636 Delete pre-existing folder in `moveFromStorage(...)` Signed-off-by: Louis Chemineau <louis@chmn.me>
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Backport of PR #51020