[Bug 252974] New: Mail loss due to race condition when renaming a folder while syncing with disconnected IMAP

[Christoph Wickert]

https://bugs.kde.org/show_bug.cgi?id=252974

           Summary: Mail loss due to race condition when renaming a folder
                    while syncing with disconnected IMAP
           Product: kmail
           Version: 1.13.5
          Platform: Fedora RPMs
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: NOR
         Component: IMAP
        AssignedTo: kdepim-bugs at kde.org
        ReportedBy: cwickert at fedoraproject.org


Version:           1.13.5 (using KDE 4.4.5) 
OS:                Linux

Renaming a folder of disconnected IMAP while it is syncing may result in loss
of email.

Reproducible: Always

Steps to Reproduce:
1. Have a big Inbox with subfolders
2. Have some folders in a subfolder
3. Rename this folder while syncing
4. Popup appears and tells me that the (old) folder not available or writable
and ask whether I want to move the messages to another folder or not.
5. Select "Move to another folder".
6. Select the 'new' (renamed) folder as target.

Actual Results:  
7. When syncing has finished, the new/renamed folder is no longer in the tree
view because it is not subscribed.
8. Serverside subscriptions -> subscribe to the renamed folder again
9. Folder is back in the tree view, but empty.

Expected Results:  
7. Folder should be in the tree view
8. Folder should be subscribed all the time
9. Messages should be in place.

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