Any way to determine unused assets, with Asset Bundle awareness?

Unity Engine
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1

I have a pretty large project, which has a lot of folders containing assets which get built into Asset Bundles. Those folders often contain unused assets, like textures and meshes, that the artist delivered as alternate or work-in-progress, and did not clean out.
I found a few scripts and assets on the Asset Store that hunt down unused assets, but they do not seem to be AB-aware, meaning, they will list all the files which are used ONLY in asset bundles as unused.

Does anyone know of a tool which will be able to identify truly useless files, whether there are asset bundles or not?

2

Hi. Maybe Asset Hunter from heureka can do it. But I am not sure.

3

One trick can be to create a script that collect dependencies of you scene.

GameObject[] go = Selection.gameObjects;
 Selection.objects = EditorUtility.CollectDependencies(go);

And you save sprite names and others stuff in a file. You can then check one by one which sprite is used in your scene and delete others.
It is long and hard work.