Zsh completion requires calling compdef _ko ko explicitly after sourcing

[antoineco]

Unlike other tools of the Kubernetes ecosystem that use Cobra, the Zsh completion script generated by ko completion zsh does not call compdef _kind, so the user must manually call compdef _ko ko after sourcing the completion.

$ ko completion zsh --help
[...]

To load completions in your current shell session:

	source <(ko completion zsh); compdef _ko ko

[...]

This is a bit counter-intuitive and could easily be addressed it seems.

---

Below is a comparison of outputs for <tool> completion zsh:

kind: https://github.com/kubernetes-sigs/kind/blob/v0.17.0/pkg/cmd/kind/completion/zsh/zsh.go#L28-L38

#compdef _kind kind

ko:

#compdef ko

[antoineco]

Turns out I'm in the wrong here: spf13/cobra#1690

Cobra doesn't add the underscored name anymore since v1.5.0 for good reasons. I guess I can live with that :)

Closing.