#!/bin/bash
set -eux -o pipefail

. $(dirname $0)/../tool-versions.sh

KUSTOMIZE_VERSION=${KUSTOMIZE_VERSION:-$kustomize3_version}

# Note that kustomize release URIs have changed for v3.2.1. Then again for
# v3.3.0. When upgrading to versions >= v3.3.0 please change the URI format. And
# also note that as of version v3.3.0, assets are in .tar.gz form.
# v3.2.0 = https://github.com/kubernetes-sigs/kustomize/releases/download/v3.2.0/kustomize_3.2.0_linux_amd64
# v3.2.1 = https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize/v3.2.1/kustomize_kustomize.v3.2.1_linux_amd64
# v3.3.0 = https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize/v3.3.0/kustomize_v3.3.0_linux_amd64.tar.gz
case $ARCHITECTURE in
  arm|arm64)
    BINNAME=kustomize
    CGO_ENABLED=0 GO111MODULE=on go get -ldflags="-s" sigs.k8s.io/kustomize/kustomize/v3@v${KUSTOMIZE_VERSION}
    mv $GOPATH/bin/kustomize $BIN/$BINNAME
    ;;
  *)
    case $KUSTOMIZE_VERSION in
      2.*)
        DL=$DOWNLOADS/kustomize-${KUSTOMIZE_VERSION}
        URL=https://github.com/kubernetes-sigs/kustomize/releases/download/v${KUSTOMIZE_VERSION}/kustomize_${KUSTOMIZE_VERSION}_linux_$ARCHITECTURE
        BINNAME=kustomize2
        [ -e $DL ] || curl -sLf --retry 3 -o $DL $URL
        mv $DL $BIN/$BINNAME
        ;;
      *)
        DL=$DOWNLOADS/kustomize-${KUSTOMIZE_VERSION}.tar.gz
        URL=https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize/v${KUSTOMIZE_VERSION}/kustomize_v${KUSTOMIZE_VERSION}_linux_$ARCHITECTURE.tar.gz
        BINNAME=kustomize

        [ -e $DL ] || curl -sLf --retry 3 -o $DL $URL
        tar -C /tmp -xf $DL
        mv /tmp/kustomize $BIN/$BINNAME
        ;;
    esac
    ;;
esac

chmod +x $BIN/$BINNAME
$BINNAME version