Use some clever git diffing to ignore lines that only change the `@generated` header. We can't do this for the version string because the version string can be embedded in lines with other changes, but this header is always on one line.
Use some clever git diffing to ignore lines that only change the `@generated` header. We can't do this for the version string because the version string can be embedded in lines with other changes, but this header is always on one line.