if [[ -n "${DEBUG_IMAGE:-}" ]]; then
  # Download and extract the Envoy linux debug binary.
  download_envoy_if_necessary "${ISTIO_ENVOY_LINUX_DEBUG_URL}" "$ISTIO_ENVOY_LINUX_DEBUG_PATH" "${SIDECAR}"
else
  echo "Skipping envoy debug. Set DEBUG_IMAGE to download."
fi

# Download and extract the Envoy linux release binary.
download_envoy_if_necessary "${ISTIO_ENVOY_LINUX_RELEASE_URL}" "$ISTIO_ENVOY_LINUX_RELEASE_PATH" "${SIDECAR}"

ROOTDIR=$SCRIPTPATH/..
cd "$ROOTDIR" || exit

# rely on go build cache
ISTIOCTL=bin/istioctl
go build -o $ISTIOCTL ./istioctl/cmd/istioctl

for f in samples/**/*.yaml; do
  if grep -q -e "{{" "$f" ; then
    echo "Skipping check for helm template $f"
    continue
  else
    echo "Validating $f..."
  $ISTIOCTL validate -x \
    -f "$f"
  fi