Open Radar

 
Summary:
After Core Data model is generated class for e.g. entity EntityA is generated and EntityA+CoreDataProperties is generated too. After you want to regenerate it again after model changed Xcode will ask if should replace existing EntityA+CoreDataProperties file. After confirming to the project is added another reference to EntityA+CoreDataProperties file, so you've got two references to the same file.

Steps to Reproduce:
1. Create project with Core Data
2. Add Entity with some properties
3. Generate class for the model using Editor > Create NSManagedObject Subclass
4. Select correct entity
5. See there is on Entity class and one Entity+CoreDataProperties extension
6. Add new property to the model
7. Regenerate subclass
8. Confirm replacing CoreDataProperties extension
9. See there are two references of CoreDataProperties extension.

Expected Results:
Another reference should not be added when regenerating subclass.

Actual Results:
Two references of CoreDataProperties extension are presented in project navigator

Version:
Xcode 7 beta 3, OSX 10.10.4

Notes:


Configuration:


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