If implemented, calling the diff command on kustomization will return 0,
1(if changes are identified), >1 for errors.
Signed-off-by: Soule BA <soule@weave.works>
If implemented it will permit queriying the Kubernetes API to fetch the specified
Flux Kustomization, then uses the specified path to build the overlay.
It will then ssa-dry-run apply and output the diff using homeport/dyff
Signed-off-by: Soule BA <soule@weave.works>
