#!/bin/bash

set -eu

kubectlversion=v1.15.3

bindir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
targetbin="$( cd $bindir/.. && pwd )"/target/bin
kubectlbin="${targetbin}/.kubectl-${kubectlversion}"

if [ ! -f "$kubectlbin" ]; then
  exe=
  if [ "$(uname -s)" = "Darwin" ]; then
    os=darwin
    arch=amd64
  elif [ "$(uname -o)" = "Msys" ]; then
    os=windows
    arch=amd64
    exe=.exe
  else
    os=linux
    case $(uname -m) in
      x86_64) arch="amd64" ;;
      arm) dpkg --print-architecture | grep -q "arm64" && arch="arm64" || arch="arm" ;;
    esac
  fi

  mkdir -p "$targetbin"
  curl -sfL -o "$kubectlbin" https://storage.googleapis.com/kubernetes-release/release/$kubectlversion/bin/$os/$arch/kubectl${exe}
  chmod +x "$kubectlbin"
fi

$kubectlbin "$@"