#!/bin/sh

set -eu

kubectlversion=v1.15.3

bindir=$( cd "${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

"$kubectlbin" "$@"