function __k8s() {
  local text=
  if [ -n "$KUBECTL_NAMESPACE" ]; then
    if [ ! "$KUBECTL_NAMESPACE" = "default" ]; then
      echo -n "$1$KUBECTL_NAMESPACE"
      return 0
    fi
  fi
}

function context() {
  if [ "$1" = "reset" ]; then
    unset KUBECTL_CONTEXT
  elif [ -n "$1" ]; then
    export KUBECTL_CONTEXT=$1
  elif [ -n "$KUBECTL_CONTEXT" ]; then
    echo "$KUBECTL_CONTEXT"
  else
    kubectl config current-context
  fi
}

function namespace() {
  if [ "$1" = "reset" ]; then
    unset KUBECTL_NAMESPACE
  elif [ -n "$1" ]; then
    export KUBECTL_NAMESPACE=$1
  elif [ -n "$KUBECTL_NAMESPACE" ]; then
    echo "$KUBECTL_NAMESPACE"
  else
    return 1
  fi
}