function os::kernel() {
	uname -s | tr '[:upper:]' '[:lower:]'
}

function os::distro() {
    if [[ "$(os::kernel)" = "linux" ]] && [[ -f /etc/os-release ]]; then
        source /etc/os-release
        echo "$ID" | tr '[:upper:]' '[:lower:]' | sed 's/^arch$/archlinux/'
        return
    fi
    echo "unknown"
}