Two words. Un Do.
But of course. Thanks.
I don't know how I could not figure that out, considering that I am
disabling & enabling the undo manager and grouping actions together in
other parts of my app already.
For future reference:
http://developer.apple.com/documentation/Cocoa/Conceptual/CoreData/Articles/cdMemory.html#/
/apple_ref/doc/uid/TP40001860-SW2
Temporarily disabling the undo manager:
[[moc undoManager] disableUndoRegistration];
[myObject setValue:[NSNumber numberWithBool:YES]
forKey:@"myBoolAttribute"];
[moc processPendingChanges]; // Don't forget that!
[[moc undoManager] enableUndoRegistration];
Permanently disabling the undo manager:
[moc setUndoManager:nil];
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