kubectl shell completion

completion.sh

## Bash - OSX
# Get bash-completion going
$ brew install bash-completion
$ echo "[ -f /usr/local/etc/bash_completion ] && . /usr/local/etc/bash_completion" >> ~/.bash_profile

# Put this in ~/.bash_profile
source <(kubectl completion bash)
alias k=kubectl
complete -F __start_kubectl k

# And reload your shell:
$ source ~/.bash_profile

## ZSH
# Put this in ~/.zshrc
autoload -Uz compinit && compinit # skip if you have oh-my-zsh
alias k=kubectl

# and run:
$ echo "[[ $commands[kubectl] ]] && source <(kubectl completion zsh)" >> ~/.zshrc
# And reload your shell
$ exec zsh