#!/usr/bin/env bash
#
# Merge kube config file on stdin with the existing kube config file.

set -euo pipefail
tmp=$(mktemp)
new=$(mktemp)
cat > "${tmp}"

function _exit() {
  rm -f "${tmp}" "${new}"
}

trap _exit EXIT

export KUBECONFIG="${tmp}:${HOME}/.kube/config"
kubectl config view --merge --flatten > "${new}"
mv "${new}" ~/.kube/config