cp -f "${2}" "${TARGET_OUT_LINUX}/ztunnel"
}

function maybe_build_ztunnel() {
  # TODO detect git changes or something to avoid unnecessarily building
  # BUILD_ZTUNNEL=1 with no BUILD_ZTUNNEL_REPO tries to infer BUILD_ZTUNNEL_REPO
  if [[ "${BUILD_ZTUNNEL_REPO:-}" == "" ]] && [[ "${BUILD_ZTUNNEL:-}" != "" ]]; then
    local ZTUNNEL_DIR
	ZTUNNEL_DIR="$(pwd)/../ztunnel"
    if [[ -d "${ZTUNNEL_DIR}" ]]; then