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

function download_nerdctl() {
    # 获取最新 release 的 tag 名
    TAG=$(curl -s https://api.github.com/repos/containerd/nerdctl/releases/latest | grep '"tag_name":' | sed -E 's/.*"v([^"]+)".*/v\1/')

    FILENAME="nerdctl-full-${TAG#v}-linux-amd64.tar.gz"

    DOWNLOAD_URL=$(curl -s https://api.github.com/repos/containerd/nerdctl/releases/latest | grep "browser_download_url" | grep "$FILENAME" | cut -d '"' -f 4)

    wget "$DOWNLOAD_URL"

    sudo mkdir -p /usr/local/bin
    sudo tar Cxzvvf /usr/local $FILENAME
}

function usage() {
    download_nerdctl

    sudo apt-get install containerd -y

    sudo systemctl enable --now containerd

    sudo nerdctl version

    sudo nerdctl run --rm hello-world
}

usage "$@"