I should have known better.

.bash_completion.d/kops

-command -v kops >/dev/null && eval $(kops completion bash)
+command -v kops >/dev/null && eval "$(kops completion bash)"

.bash_completion.d/kubectl

-command -v kubectl >/dev/null && eval $(kubectl completion bash)
+command -v kubectl >/dev/null && eval "$(kubectl completion bash)"

.bash_completion.d/minikube

-command -v minikube >/dev/null && eval $(minikube completion bash)
+command -v minikube >/dev/null && eval "$(minikube completion bash)"

.bash_completion.d/pandoc

-command -v pandoc > /dev/null && pandoc --bash-completion > /dev/null && eval $( pandoc --bash-completion )
+command -v pandoc > /dev/null && pandoc --bash-completion > /dev/null && eval "$( pandoc --bash-completion )"

.bash_completion.d/pipenv

-command -v pipenv > /dev/null && eval $(pipenv --completion)
+command -v pipenv > /dev/null && eval "$(pipenv --completion)"