}

// nextRevision finds the next valid revision number based on revisions. If the length of revisions
// is 0 this is 1. Otherwise, it is 1 greater than the largest revision's Revision. This method
// assumes that revisions has been sorted by Revision.
func nextRevision(revisions []*apps.ControllerRevision) int64 {
	count := len(revisions)
	if count <= 0 {
		return 1
	}
	return revisions[count-1].Revision + 1
}

  # Defines the mapping from revision tags to revisions.
  #
  # The following fields can be set for each revision tag:
  #   (1) revision (REQUIRED): the revision to use for this revision tag.
  #   (2) namespace: the namespace containing the istiod revision.
  #   (3) validationURL: the URL to use for validation on this revision tag.
  #   (4) injectionURL: the URL to for injection on this revision tag.

//	Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
//	Portions Copyright © 2004,2006 Bruce Ellis
//	Portions Copyright © 2005-2007 C H Forsyth (******@****.***)
//	Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others
//	Portions Copyright © 2009 The Go Authors. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy

				d := filepath.Join(t.TempDir(), "gateway-values.yaml")
				rev := ""
				if t.Settings().Revisions.Default() != "" {
					rev = t.Settings().Revisions.Default()
				}
				os.WriteFile(d, []byte(fmt.Sprintf(`
revision: %v
gateways:
  istio-ingressgateway:
    name: custom-gateway-helm
    injectionTemplate: gateway

//	Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
//	Portions Copyright © 2004,2006 Bruce Ellis
//	Portions Copyright © 2005-2007 C H Forsyth (******@****.***)
//	Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others
//	Portions Copyright © 2016 The Go Authors.  All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy

//	Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
//	Portions Copyright © 2004,2006 Bruce Ellis
//	Portions Copyright © 2005-2007 C H Forsyth (******@****.***)
//	Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others
//	Portions Copyright © 2009 The Go Authors. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy

		l.LogAndFatal(err)
	}
	var kubeClientWithRev kube.CLIClient
	if uiArgs.revision != "" && uiArgs.revision != "default" {
		kubeClientWithRev, err = ctx.CLIClientWithRevision(uiArgs.revision)
		if err != nil {
			return err
		}
	} else {
		kubeClientWithRev = kubeClient
	}

	if uiArgs.revision != "" {
		revisions, err := tag.ListRevisionDescriptions(kubeClient)
		if err != nil {

		return nil, err
	}

	// Populate the revisions for the control plane.
	var revisions resource.RevVerMap
	if !cfg.DeployIstio {
		// Using a pre-installed control plane. Get the revisions from the
		// command-line.
		revisions = ctx.Settings().Revisions
	} else if len(iop.Spec.Revision) > 0 {
		// Use revisions from the default control plane operator.
		revisions = resource.RevVerMap{
			iop.Spec.Revision: "",
		}

# Istio base Helm Chart

This chart installs resources shared by all Istio revisions. This includes Istio CRDs.

## Setup Repo Info

```console
helm repo add istio https://istio-release.storage.googleapis.com/charts
helm repo update
```

_See [helm repo](https://helm.sh/docs/helm/helm_repo/) for command documentation._

## Installing the Chart

To install the chart with the release name `istio-base`:

```console

//	Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
//	Portions Copyright © 2004,2006 Bruce Ellis
//	Portions Copyright © 2005-2007 C H Forsyth (******@****.***)
//	Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others
//	Portions Copyright © 2009 The Go Authors. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy