cmd := &cobra.Command{
		Use:   "precheck",
		Short: "Check whether Istio can safely be installed or upgraded",
		Long:  `precheck inspects a Kubernetes cluster for Istio install and upgrade requirements.`,
		Example: `  # Verify that Istio can be installed or upgraded
  istioctl x precheck

  # Check only a single namespace
  istioctl x precheck --namespace default

      <w>decapitalize</w>
      <w>delegator</w>
      <w>elipsis</w>
      <w>funs</w>
      <w>immediates</w>
      <w>initializers</w>
      <w>inserter</w>
      <w>negatable</w>
      <w>pparent</w>
      <w>precheck</w>
      <w>prioritizer</w>
      <w>processings</w>
      <w>rbrace</w>
      <w>rbracket</w>
      <w>renderers</w>
      <w>rparenth</w>
      <w>selectioner</w>
      <w>smartcast</w>

	"istio.io/istio/istioctl/pkg/internaldebug"
	"istio.io/istio/istioctl/pkg/kubeinject"
	"istio.io/istio/istioctl/pkg/metrics"
	"istio.io/istio/istioctl/pkg/multicluster"
	"istio.io/istio/istioctl/pkg/precheck"
	"istio.io/istio/istioctl/pkg/proxyconfig"
	"istio.io/istio/istioctl/pkg/proxystatus"
	"istio.io/istio/istioctl/pkg/root"
	"istio.io/istio/istioctl/pkg/tag"
	"istio.io/istio/istioctl/pkg/util"

			if val != "" {
				icpTag = val
			}
		}
		// when the revision is passed
		if icpTag != "" && tag != icpTag {
			check := "         Before upgrading, you may wish to use 'istioctl x precheck' to check for upgrade warnings.\n"
			revisionWarning := "         Running this command will overwrite it; use revisions to upgrade alongside the existing version.\n"
			if revision != util.DefaultRevisionName {

### Bug or Regression

- Currently, NodeAdded QueueingHint could not always be called because of the internal feature called preCheck.
  It's definitely not something expected for plugin developers,
  and we're trying to eventually remove preCheck completely to fix this.
  Until then we'll register UpdateNodeTaint event for plugins that have NodeAdded event, but don't have UpdateNodeTaint event.

# "make update-common".

run:
  # Timeout for analysis, e.g. 30s, 5m.
  # Default: 1m
  timeout: 20m
  build-tags:
    - integ
    - integfuzz
linters:
  disable-all: true
  enable:
    - errcheck
    - exportloopref
    - depguard
    - gocritic
    - gofumpt
    - goimports
    - revive
    - gosimple
    - govet
    - ineffassign
    - lll
    - misspell
    - staticcheck

          if (busy == 0) { // Try to attach new Cell
            Cell r = new Cell(x); // Optimistically create
            if (busy == 0 && casBusy()) {
              boolean created = false;
              try { // Recheck under lock
                Cell[] rs;
                int m, j;
                if ((rs = cells) != null && (m = rs.length) > 0 && rs[j = (m - 1) & h] == null) {
                  rs[j] = r;

      long nanos = expirationNanos;
      long now = System.nanoTime();
      if (nanos == 0 || now - nanos >= 0) {
        synchronized (this) {
          if (nanos == expirationNanos) { // recheck for lost race
            T t = delegate.get();
            value = t;
            nanos = now + durationNanos;
            // In the very unlikely event that nanos is 0, set it to 1;

          if (busy == 0) { // Try to attach new Cell
            Cell r = new Cell(x); // Optimistically create
            if (busy == 0 && casBusy()) {
              boolean created = false;
              try { // Recheck under lock
                Cell[] rs;
                int m, j;
                if ((rs = cells) != null && (m = rs.length) > 0 && rs[j = (m - 1) & h] == null) {
                  rs[j] = r;

          if (busy == 0) { // Try to attach new Cell
            Cell r = new Cell(x); // Optimistically create
            if (busy == 0 && casBusy()) {
              boolean created = false;
              try { // Recheck under lock
                Cell[] rs;
                int m, j;
                if ((rs = cells) != null && (m = rs.length) > 0 && rs[j = (m - 1) & h] == null) {
                  rs[j] = r;