2025-07-01

Don't save inputs if we're never going to use them

Summary: If we're never going to run dep-files (because there are no dep-files declared), then we do not need to create `shared_declared_inputs`, since we'll never use them anyway.

Reviewed By: scottcao

Differential Revision: D75438242

fbshipit-source-id: b0667628a6145fbba194e2c81f98c70dee4058ef