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For the median project, you could just rebuild everything from scratch every time and avoid the problem.

It's the huge projects with millions of files and tens of gigabytes of source and assets that need these optimizations the most, and that's also where checksumming is the most painful.

It's not as unrealistic or monstrous as it sounds. It happens in monorepos when you include all of a project's thousand dependencies (down to things like openssl and libpng).

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