else
  SHA=$(grep "istio.io/api" go.mod | head -n1 | awk '{ print $2 }')
  if [[ ${SHA} == *"-"* && ! ${SHA} =~ -rc.[0-9]$ && ! ${SHA} =~ -beta.[0-9]$ && ! ${SHA} =~ -alpha.[0-9]$ ]]; then
    # not an official release or release candidate, so get the commit sha
    SHA=$(echo "${SHA}" | awk -F '-' '{ print $NF }')
  fi
fi

if [ -z "${SHA}" ]; then

  // minReplicas is the lower limit for the number of replicas to which the autoscaler
  // can scale down.  It defaults to 1 pod.  minReplicas is allowed to be 0 if the
  // alpha feature gate HPAScaleToZero is enabled and at least one Object or External
  // metric is configured.  Scaling is active as long as at least one metric value is
  // available.
  // +optional
  optional int32 minReplicas = 2;

  // minReplicas is the lower limit for the number of replicas to which the autoscaler
  // can scale down.  It defaults to 1 pod.  minReplicas is allowed to be 0 if the
  // alpha feature gate HPAScaleToZero is enabled and at least one Object or External
  // metric is configured.  Scaling is active as long as at least one metric value is
  // available.
  // +optional
  optional int32 minReplicas = 2;

  optional string devicePath = 2;
}

// AvoidPods describes pods that should avoid this node. This is the value for a
// Node annotation with key scheduler.alpha.kubernetes.io/preferAvoidPods and
// will eventually become a field of NodeStatus.
message AvoidPods {
  // Bounded-sized list of signatures of pods that should avoid this node, sorted

  optional bool shareable = 3;
}

// PodSchedulingContext objects hold information that is needed to schedule
// a Pod with ResourceClaims that use "WaitForFirstConsumer" allocation
// mode.
//
// This is an alpha type and requires enabling the DynamicResourceAllocation
// feature gate.
message PodSchedulingContext {
  // Standard object metadata
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;

    install.operator.istio.io/owning-resource-namespace: istio-system
    istio.io/rev: 1-16
    operator.istio.io/component: Pilot
    operator.istio.io/managed: Reconcile
    operator.istio.io/version: 1.16-alpha.91e471de3e8fc93ebb545cedf396ddbd550b996c
    release: istio
  name: istio-sidecar-injector-1-16
webhooks:
  - admissionReviewVersions:
      - v1beta1
      - v1
    clientConfig:
      service:

ISTIO_ENVOY_DEBUG_URL="${ISTIO_ENVOY_DEBUG_URL:-${ISTIO_ENVOY_BASE_URL}/envoy-debug-${ISTIO_ENVOY_VERSION}${ISTIO_ENVOY_ARCH_SUFFIX}.tar.gz}"
ISTIO_ENVOY_RELEASE_URL="${ISTIO_ENVOY_RELEASE_URL:-${ISTIO_ENVOY_BASE_URL}/envoy-alpha-${ISTIO_ENVOY_VERSION}${ISTIO_ENVOY_ARCH_SUFFIX}.tar.gz}"

# Envoy Linux vars.
ISTIO_ENVOY_LINUX_VERSION="${ISTIO_ENVOY_LINUX_VERSION:-${ISTIO_ENVOY_VERSION}}"

  // is populated only for the CSIMigration feature. It contains
  // translated fields from a pod's inline VolumeSource to a
  // PersistentVolumeSpec. This field is alpha-level and is only
  // honored by servers that enabled the CSIMigration feature.
  // +optional
  optional k8s.io.api.core.v1.PersistentVolumeSpec inlineVolumeSpec = 2;
}

  //      - If failurePolicy=Fail, reject the request
  //      - If failurePolicy=Ignore, the error is ignored and the webhook is skipped
  //
  // This is an alpha feature and managed by the AdmissionWebhookMatchConditions feature gate.
  //
  // +patchMergeKey=name
  // +patchStrategy=merge
  // +listType=map
  // +listMapKey=name

ISTIO_ENVOY_BASE_URL=${ISTIO_ENVOY_BASE_URL:-https://storage.googleapis.com/istio-build/proxy}
ISTIO_ENVOY_RELEASE_URL=${ISTIO_ENVOY_RELEASE_URL:-${ISTIO_ENVOY_BASE_URL}/envoy-alpha-${ISTIO_ENVOY_LINUX_VERSION}.tar.gz}
ISTIO_ENVOY_ARM_RELEASE_URL=${ISTIO_ENVOY_ARM_RELEASE_URL:-${ISTIO_ENVOY_BASE_URL}/envoy-alpha-${ISTIO_ENVOY_LINUX_VERSION}-arm64.tar.gz}
SLEEP_TIME=60

printf "Verifying %s is available\n" "$ISTIO_ENVOY_RELEASE_URL"