Linux shell 根据平台下载对应的不同架构的应用

case $(uname -m) in
    x86_64)
        caddy_url=https://github.com/caddyserver/caddy/releases/download/v2.6.2/caddy_2.6.2_linux_amd64.tar.gz
        ;;
    aarch64)
        caddy_url=https://github.com/caddyserver/caddy/releases/download/v2.6.2/caddy_2.6.2_linux_arm64.tar.gz
        ;;
    *) 
        echo "Error: Your system version does not support"
        exit 1
        ;;
esac