We need this to configure the 'project' submodule in IntelliJ with idea-sbt.
I've hacked together something similar, but I had to duplicate a few function in IvySbt that aren't accessible. I would prefer if this was provided as a standard task, especially in light of the recent changes to plugin cross building.
Potentially these could be included in the existing update-sbt-classifiers task, either way we can configure the classpath correctly.
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