rename --version to --ensure-version to better reflect its purpose

Good suggestion from Scott today during dev meeting

https://docs.google.com/document/d/1d-6xJEx0C78csIYSPKJzRPeWaHG_8W1Hjl72OJggwdc/edit?pli=1&tab=t.0
Signed-off-by: Benoit Tigeot <benoit.tigeot@lifen.fr>

pkg/cmd/push.go

@@ -38,8 +38,8 @@ Remote target formats:
 - oci://REGISTRY/REPO/CHART:VERSION
 
 When CHART is omitted, the chart name is derived from the package. When VERSION is omitted,
-it comes from Chart.yaml. Use --version as an optional verification. If set, it must match
-Chart.yaml or the command fails.
+it comes from Chart.yaml. Use --ensure-version as an optional verification. If set, it
+must match Chart.yaml or the command fails.
 
 Note: OCI tags do not support "+". Helm replaces "+" with "_" in tags when pushing and restores
 "+" when pulling.
@@ -47,7 +47,7 @@ Note: OCI tags do not support "+". Helm replaces "+" with "_" in tags when pushi
 Examples:
 
 	$ helm push mychart-0.1.0.tgz oci://my-registry.io/helm/charts
-	$ helm push mychart-0.1.0.tgz oci://my-registry.io/helm/charts --version 0.1.0
+	$ helm push mychart-0.1.0.tgz oci://my-registry.io/helm/charts --ensure-version 0.1.0
 	$ helm push mychart-0.1.0.tgz oci://my-registry.io/helm/charts/mychart:0.1.0
 `
 
@@ -59,7 +59,7 @@ type registryPushOptions struct {
 	plainHTTP             bool
 	password              string
 	username              string
-	version               string
+	ensureVersion         string
 }
 
 func newPushCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
@@ -102,7 +102,7 @@ func newPushCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
 				action.WithTLSClientConfig(o.certFile, o.keyFile, o.caFile),
 				action.WithInsecureSkipTLSVerify(o.insecureSkipTLSverify),
 				action.WithPlainHTTP(o.plainHTTP),
-				action.WithExpectedVersion(o.version),
+				action.WithExpectedVersion(o.ensureVersion),
 				action.WithPushOptWriter(out))
 			client.Settings = settings
 			output, err := client.Run(chartRef, remote)
@@ -122,7 +122,7 @@ func newPushCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
 	f.BoolVar(&o.plainHTTP, "plain-http", false, "use insecure HTTP connections for the chart upload")
 	f.StringVar(&o.username, "username", "", "chart repository username where to locate the requested chart")
 	f.StringVar(&o.password, "password", "", "chart repository password where to locate the requested chart")
-	f.StringVar(&o.version, "version", "", "verify the chart version; must match Chart.yaml (optional check)")
+	f.StringVar(&o.ensureVersion, "ensure-version", "", "verify the chart version; must match Chart.yaml (optional check)")
 
 	return cmd
 }

pkg/pusher/ocipusher.go

@@ -61,7 +61,7 @@ func (pusher *OCIPusher) push(chartRef, href string) error {
 
 	// If an expected version is specified via --version, enforce it matches Chart.yaml
 	if pusher.opts.expectedVersion != "" && pusher.opts.expectedVersion != meta.Metadata.Version {
-		return fmt.Errorf("specified --version %q does not match chart version %q", pusher.opts.expectedVersion, meta.Metadata.Version)
+		return fmt.Errorf("specified --ensure-version %q does not match chart version %q", pusher.opts.expectedVersion, meta.Metadata.Version)
 	}
 
 	ref, err := registry.BuildPushRef(href, meta.Metadata.Name, meta.Metadata.Version)

pkg/pusher/ocipusher_test.go

@@ -472,7 +472,7 @@ func TestOCIPusher_Push_ExpectedVersionMismatch(t *testing.T) {
 		t.Fatal("Expected error when --version does not match chart version")
 	}
 
-	if !strings.Contains(err.Error(), "specified --version") {
+	if !strings.Contains(err.Error(), "specified --ensure-version") {
 		t.Errorf("Expected error to mention version mismatch check, got %q", err.Error())
 	}
 }