That's strange - it's already a pre-commit hook:
https://github.com/GoogleCloudPlatform/kubernetes/blob/master/hooks/pre-commit#L103

I believe we need generated-deep-copies as well

make test passes for me

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I supposed because of #8870, get it in as a pre-commit?

CLAs look good, thanks!

CLA bot went nuts because i botched a squash

I also added this hook as part of #8860 - since it's already merged, I'm closing this one.

Anyway - thanks for noticing it.