if [ -n "${SHA}" ]; then
  REPO=$(grep "istio.io/api" go.mod | grep "^replace" | awk '{print $4}')
else
  SHA=$(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

	}
	version1_26 = &version.Info{
		Major:      "1",
		Minor:      "26",
		GitVersion: "v1.26",
	}
	version1_19RC = &version.Info{
		Major:      "1",
		Minor:      "19",
		GitVersion: "v1.19.5-rc.0",
	}
	version1_17GKE = &version.Info{
		Major:      "1",
		Minor:      "17+",
		GitVersion: "v1.17.7-gke.10",
	}
	version1_8GKE = &version.Info{
		Major:      "1",
		Minor:      "8",

type instance struct {
	// clients are cached clients for each revision
	clients map[string]kube.CLIClient
	RootFlags
}

func newKubeClientWithRevision(kubeconfig, configContext, revision string) (kube.CLIClient, error) {
	rc, err := kube.DefaultRestConfig(kubeconfig, configContext, func(config *rest.Config) {
		// We are running a one-off command locally, so we don't need to worry too much about rate limiting
		// Bumping this up greatly decreases install time

	client, err := clientSetup()
	if err != nil {
		repairLog.Fatalf("CNI repair could not construct clientSet: %s", err)
	}

	rc, err := NewRepairController(client, cfg)
	if err != nil {
		repairLog.Fatalf("Fatal error constructing repair controller: %+v", err)
	}
	go rc.Run(ctx.Done())
	client.RunAndWait(ctx.Done())
}

// Set up Kubernetes client using kubeconfig (or in-cluster config if no file provided)

		Example: `  # Compare ROOTCA values for given 2 pods to check the connectivity between them.
  istioctl proxy-config rootca-compare <pod-name-1[.namespace]> <pod-name-2[.namespace]>`,
		Aliases: []string{"rc"},
		Args: func(cmd *cobra.Command, args []string) error {
			if len(args) != 2 {
				cmd.Println(cmd.UsageString())
				return fmt.Errorf("rootca-compare requires 2 pods as an argument")
			}
			return nil

  // This can not be 0 if MaxSurge is 0.
  // By default, a fixed value of 1 is used.
  // Example: when this is set to 30%, the old RC can be scaled down to 70% of desired pods
  // immediately when the rolling update starts. Once new pods are ready, old RC
  // can be scaled down further, followed by scaling up the new RC, ensuring
  // that the total number of pods available at all times during the update is at
  // least 70% of desired pods.

github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=