allow ldflags to overwrite k8s version

Signed-off-by: Sverre Boschman <1142569+sboschman@users.noreply.github.com>

pkg/chartutil/capabilities.go

@@ -29,8 +29,10 @@ import (
 )
 
 var (
-	k8sVersionMajor = 1
+	// This should be set in the Makefile based on the version of client-go being imported.
-	k8sVersionMinor = 20
+	// These constants will be overwritten with LDFLAGS (ldflags should be var and type string)
+	k8sVersionMajor = "1"
+	k8sVersionMinor = "20"
 
 	// DefaultVersionSet is the default version set, which includes only Core V1 ("v1").
 	DefaultVersionSet = allKnownVersions()
@@ -38,9 +40,9 @@ var (
 	// DefaultCapabilities is the default set of capabilities.
 	DefaultCapabilities = &Capabilities{
 		KubeVersion: KubeVersion{
-			Version: fmt.Sprintf("v%d.%d.0", k8sVersionMajor, k8sVersionMinor),
+			Version: fmt.Sprintf("v%s.%s.0", k8sVersionMajor, k8sVersionMinor),
-			Major:   strconv.Itoa(k8sVersionMajor),
+			Major:   k8sVersionMajor,
-			Minor:   strconv.Itoa(k8sVersionMinor),
+			Minor:   k8sVersionMinor,
 		},
 		APIVersions: DefaultVersionSet,
 		HelmVersion: helmversion.Get(),

pkg/lint/rules/deprecations.go

@@ -18,6 +18,7 @@ package rules // import "helm.sh/helm/v3/pkg/lint/rules"
 
 import (
 	"fmt"
+	"strconv"
 
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"
@@ -27,9 +28,9 @@ import (
 
 var (
 	// This should be set in the Makefile based on the version of client-go being imported.
-	// These constants will be overwritten with LDFLAGS
+	// These constants will be overwritten with LDFLAGS (ldflags should be var and type string)
-	k8sVersionMajor = 1
+	k8sVersionMajor = "1"
-	k8sVersionMinor = 20
+	k8sVersionMinor = "20"
 )
 
 // deprecatedAPIError indicates than an API is deprecated in Kubernetes
@@ -60,7 +61,9 @@ func validateNoDeprecations(resource *K8sYamlStruct) error {
 		}
 		return err
 	}
-	if !deprecation.IsDeprecated(runtimeObject, k8sVersionMajor, k8sVersionMinor) {
+	currentVersionMajor, err := strconv.Atoi(k8sVersionMajor)
+	currentVersionMinor, err := strconv.Atoi(k8sVersionMinor)
+	if !deprecation.IsDeprecated(runtimeObject, currentVersionMajor, currentVersionMinor) {
 		return nil
 	}
 	gvk := fmt.Sprintf("%s %s", resource.APIVersion, resource.Kind)