#!/usr/bin/env bash
set -eu

version=2.5.0
arch="$(uname -m)"

case $arch in
    x86_64)
        tarball="tusd_linux_amd64"
        sha256=f4cbdb8d228b28f46c3e7b9e29e5db262e7416f7ca1033c6c5e8186cf6c7381c
        ;;

    aarch64)
        tarball="tusd_linux_arm64"
        sha256=b2101951789857765d64c33d672a38b5825946163aa058b208fc862867cdc405
        ;;
esac

check_version() {
    out="$(tusd --version)" && [[ "$out" = "Version: v$version
"* ]]
}

if ! check_version 2>/dev/null; then
    set -x
    tmpdir="$(mktemp -d)"
    trap 'rm -r "$tmpdir"' EXIT
    cd "$tmpdir"
    curl_opts=(-fLO --retry 3)
    curl "${curl_opts[@]}" "https://github.com/tus/tusd/releases/download/v${version}/${tarball}.tar.gz"
    sha256sum -c <<<"${sha256} ${tarball}.tar.gz"
    tar -xzf "${tarball}.tar.gz" --no-same-owner "${tarball}/tusd"
    install -Dm755 "${tarball}/tusd" /usr/local/bin/tusd
    check_version
fi