[Bug 288007] New: kmail filter import broken

[Nino]

https://bugs.kde.org/show_bug.cgi?id=288007

           Summary: kmail filter import broken
           Product: kmail2
           Version: 4.7
          Platform: openSUSE RPMs
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: filtering
        AssignedTo: kdepim-bugs at kde.org
        ReportedBy: nino at kflog.org


Version:           4.7 (using KDE 4.7.2) 
OS:                Linux

Trying to import filter rules from old kmailrc (from KDE of kubuntu 10.04)
results in wrong destination folders (-> "Unknown folder"). In consequence,
none of the imported filters is not saved when quitting the dialog (maybe due
to the above error?). Fixing folders manually seems to work but if only one
folder is forgotten, none is imported :-(

The only significant difference I found between old fashioned filter rule and
actual one is that folders have been referenced by filename while now they seem
to be referenced by a number. A diff looks like this
diff -y new old
action-args-0=160  |  action-args-0=.Office-Libre.directory/documentation

Is there any workaround or do I have to manually adjust all my 300+ filter
rules? (As written above, I've already tried to fix a couple but the whole
bunch did not get saved - maybe due to the still incorrect ones?)

Reproducible: Always

Steps to Reproduce:
Open filter dialog, import old kmailrc with written folder names in field
action-args-x. 

Actual Results:  
Folder destination says "Unknown folder ..." (or similar, I'm working with
German version saying "Unbekannter Ordner ...")

Then:
1. leave the dialog and reopen it without correcting folder destination:
imported filters are lost completely.
2. correct some of the filters but not all, leave the dialog and reopen it:
again none of the filters get saved.
3. correcting all filters seems to work (I did not try all of my 300 filters
but only 10-20)

Expected Results:  
At least all manually corrected filters should stay saved.

Better: Adjustment of destination folders should happen automatically (e.g. by
matching folder names with old file names and converting file names to numbers
automatically if matching 100% resp. asking the user if matching is incomplete)

OS: Linux (i686) release 3.1.0-1.2-default
Compiler: gcc

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