[6.0 🍒][PrebuiltModuleGen] Ensure the dependency scanner always ignores existing prebuilt modules #1652
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Explanation: As an unintended consequence of [ScanDependency] Move binary module validation into scanner swift#72291, this tool has now started to occasionally pick up binary modules from a prebuilt cache, instead of always building new ones from their textual interface. This change uses the new control to force the tool to always build modules from interface when one is available.
Scope: This change affects the
swift-build-sdk-interfacestool and forces it to always rebuild modules from interface, instead of potentially being able to pick-up a prebuilt existing binary module.Risk: Low. This change is purely additive to force the dependency scanner to the expected behavior for this tool when the underlying compiler supports it.
Original PR: [PrebuiltModuleGen] Ensure the dependency scanner always ignores existing prebuilt modules #1651
Reviewers: @cachemeifyoucan