Known Issue - Not A Bug: Re-doing the Purge of unused linked data does not delete again the affected linked data #117303

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opened 2024-01-18 21:21:29 +01:00 by Bastien Montagne · 1 comment

Bastien Montagne commented

2024-01-18 21:21:29 +01:00

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System Information
Operating system: N/A
Graphics card: N/A

Blender Version
Broken: current main
Worked: ???

Short description of error

Undoing and redoing a 'Purge unused data' operation properly re-delete the affected unused local IDs, but not the linked ones.

Exact steps for others to reproduce the error
Using linked_data_purge.blend:

Unlink the Collection from the scene.
Disable the 'fake user' status of the unlinked collection in the Orphaned view of the Outliner.
Purge all data recursively. Both the local collection and the linked one are deleted, with all of their contents (objects, obdata, etc.).
Undo, all deleted IDs are restored.
Redo, affected local IDs are deleted again, but the linked ones remain present.

**System Information** Operating system: N/A Graphics card: N/A **Blender Version** Broken: current `main` Worked: ??? **Short description of error** Undoing and redoing a 'Purge unused data' operation properly re-delete the affected unused local IDs, but not the linked ones. **Exact steps for others to reproduce the error** Using [linked_data_purge.blend](/attachments/356e52ff-95f1-40ec-aa2a-2df86ebab214): 1. Unlink the `Collection` from the scene. 2. Disable the 'fake user' status of the unlinked collection in the `Orphaned` view of the Outliner. 3. Purge all data recursively. Both the local collection and the linked one are deleted, with all of their contents (objects, obdata, etc.). 4. Undo, all deleted IDs are restored. 5. Redo, affected local IDs are deleted again, but the linked ones remain present.

linked_data_purge.blend

221 KiB

Bastien Montagne added the

labels 2024-01-18 21:21:30 +01:00

Bastien Montagne referenced this issue

2024-01-18 22:30:44 +01:00

UI: Cleanup Dialog to Manage Orphaned Data #117242

Bastien Montagne added

and removed

labels 2024-03-01 15:09:52 +01:00

Bastien Montagne commented

2024-03-01 15:12:36 +01:00

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Note: This is actually the expected behavior. This comes from the fact that on global undo/redo, linked data is mostly ignored. Missing linked data will be reloaded if possible, but no linked data will ever be removed by an undo or redo operation.

While not idea, this is done for efficiency reasons, and not an issue for the vast majority of cases, so not really worth improving for this specific case. Best solution is simply to re-run recursive purge of unused data then.

Note: This is actually the expected behavior. This comes from the fact that on global undo/redo, linked data is mostly ignored. Missing linked data will be reloaded if possible, but no linked data will ever be removed by an undo or redo operation. While not idea, this is done for efficiency reasons, and not an issue for the vast majority of cases, so not really worth improving for this specific case. Best solution is simply to re-run recursive purge of unused data then.

Bastien Montagne added

and removed

labels 2024-03-01 15:12:47 +01:00

Bastien Montagne changed title from ~~Re-doing the Purge of unused linked data does not delete again the affected linked data~~ to Known Issue - Not A Bug: Re-doing the Purge of unused linked data does not delete again the affected linked data

2024-03-01 15:13:05 +01:00

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Reference: blender/blender#117303

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