#!/bin/sh
set -eu

version_go=1.23.0  # https://golang.org/dl/
version_go21=1.21.13
version_go19=1.19.13
version_bootstrap=20171003  # https://golang.org/doc/install/source#go14

mkdir -p download
cd download

wget -c "https://dl.google.com/go/go$version_go.src.tar.gz"
wget -c "https://dl.google.com/go/go$version_go21.src.tar.gz"
wget -c "https://dl.google.com/go/go$version_go19.src.tar.gz"
wget -c "https://dl.google.com/go/go1.4-bootstrap-$version_bootstrap.tar.gz"

sha256sum -c ../download.sha256