fix: issue with pre-release Helm version (#1293)

pkg/helmexec/exec.go

@@ -121,6 +121,12 @@ func New(helmBinary string, options HelmExecOptions, logger *zap.SugaredLogger,
 	if err != nil {
 		panic(err)
 	}
+
+	if version.Prerelease() != "" {
+		logger.Warnf("Helm version %s is a pre-release version. This may cause problems when deploying Helm charts.\n", version)
+		*version, _ = version.SetPrerelease("")
+	}
+
 	return &execer{
 		helmBinary:       helmBinary,
 		options:          options,

pkg/helmexec/exec_test.go

@@ -804,6 +804,17 @@ exec: helm --kube-context dev chart pull chart
 			chartFlags:  []string{"--untardir", "/tmp/dir"},
 			listResult: `Pulling repo/helm-charts:0.14.0
 exec: helm --kube-context dev pull oci://repo/helm-charts --version 0.14.0 --destination path1 --untar --untardir /tmp/dir
+`,
+		},
+		{
+			name:        "more then v3.7.0 with rc",
+			helmBin:     "helm",
+			helmVersion: "v3.14.0-rc.1+g69dcc92",
+			chartName:   "repo/helm-charts:0.14.0",
+			chartPath:   "path1",
+			chartFlags:  []string{"--untardir", "/tmp/dir"},
+			listResult: `Pulling repo/helm-charts:0.14.0
+exec: helm --kube-context dev pull oci://repo/helm-charts --version 0.14.0 --destination path1 --untar --untardir /tmp/dir
 `,
 		},
 	}
@@ -811,13 +822,7 @@ exec: helm --kube-context dev pull oci://repo/helm-charts --version 0.14.0 --des
 		tt := tests[i]
 		t.Run(tt.name, func(t *testing.T) {
 			buffer.Reset()
-			helm := &execer{
+			helm := New(tt.helmBin, HelmExecOptions{}, logger, "dev", &mockRunner{output: []byte(tt.helmVersion)})
-				helmBinary:  tt.helmBin,
-				version:     semver.MustParse(tt.helmVersion),
-				logger:      logger,
-				kubeContext: "dev",
-				runner:      &mockRunner{},
-			}
 			err := helm.ChartPull(tt.chartName, tt.chartPath, tt.chartFlags...)
 			if err != nil {
 				t.Errorf("unexpected error: %v", err)