fix(*): resolve new govet issues

Signed-off-by: Adam Reese <adam@reese.io>

pkg/kube/client.go

@@ -409,19 +409,13 @@ func createPatch(target *resource.Info, current runtime.Object) ([]byte, types.P
 	// returned from ConvertToVersion. Anything that's unstructured should
 	// use the jsonpatch.CreateMergePatch. Strategic Merge Patch is not supported
 	// on objects like CRDs.
-	_, isUnstructured := versionedObject.(runtime.Unstructured)
-
-	switch {
-	case runtime.IsNotRegisteredError(err), isUnstructured:
+	if _, ok := versionedObject.(runtime.Unstructured); ok {
 		// fall back to generic JSON merge patch
 		patch, err := jsonpatch.CreateMergePatch(oldData, newData)
 		return patch, types.MergePatchType, err
-	case err != nil:
-		return nil, types.StrategicMergePatchType, goerrors.Wrap(err, "failed to get versionedObject")
-	default:
-		patch, err := strategicpatch.CreateTwoWayMergePatch(oldData, newData, versionedObject)
-		return patch, types.StrategicMergePatchType, err
 	}
+	patch, err := strategicpatch.CreateTwoWayMergePatch(oldData, newData, versionedObject)
+	return patch, types.StrategicMergePatchType, err
 }
 
 func updateResource(c *Client, target *resource.Info, currentObj runtime.Object, force, recreate bool) error {

pkg/lint/rules/template.go

@@ -117,7 +117,7 @@ func Templates(linter *support.Linter, values map[string]interface{}, namespace
 func validateTemplatesDir(templatesPath string) error {
 	if fi, err := os.Stat(templatesPath); err != nil {
 		return errors.New("directory not found")
-	} else if err == nil && !fi.IsDir() {
+	} else if !fi.IsDir() {
 		return errors.New("not a directory")
 	}
 	return nil

pkg/releaseutil/manifest_sorter_test.go

@@ -199,8 +199,7 @@ metadata:
 
 		for _, m := range manifests {
 			var sh SimpleHead
-			err := yaml.Unmarshal([]byte(m), &sh)
-			if err != nil {
+			if err := yaml.Unmarshal([]byte(m), &sh); err != nil {
 				// This is expected for manifests that are corrupt or empty.
 				t.Log(err)
 				continue
@@ -208,8 +207,8 @@ metadata:
 
 			name := sh.Metadata.Name
 
-			//only keep track of non-hook manifests
-			if err == nil && s.hooks[name] == nil {
+			// only keep track of non-hook manifests
+			if s.hooks[name] == nil {
 				another := Manifest{
 					Content: m,
 					Name:    name,