only override wrapping kind if it wasn't set already

kyaml/fn/framework/framework_test.go

@@ -139,6 +139,10 @@ results:
       path: /path/to/deployment.yaml
   - message: some error
     severity: error`
+	outputOtherWrap := strings.NewReplacer(
+		"kind: ResourceList", "kind: SomethingElse",
+		"apiVersion: config.kubernetes.io/v1alpha1", "apiVersion: fakeVersion",
+	).Replace(outputResourceList)
 
 	testCases := []struct {
 		desc           string
@@ -178,6 +182,21 @@ results:
 			input:          singleDeployment,
 			want:           outputResourceList,
 		},
+		{
+			desc:           "no wrap has precedence",
+			noWrap:         true,
+			wrapKind:       kio.ResourceListKind,
+			wrapAPIVersion: kio.ResourceListAPIVersion,
+			input:          singleDeployment,
+			want:           singleDeployment,
+		},
+		{
+			desc:           "honor specified wrapping kind",
+			wrapKind:       "SomethingElse",
+			wrapAPIVersion: "fakeVersion",
+			input:          resourceListDeployment,
+			want:           outputOtherWrap,
+		},
 	}
 
 	for _, tc := range testCases {

kyaml/kio/byteio_reader.go

@@ -67,28 +67,31 @@ func (rw *ByteReadWriter) Read() ([]*yaml.RNode, error) {
 		WrapBareSeqNode:       rw.WrapBareSeqNode,
 	}
 	val, err := b.Read()
+	rw.Results = b.Results
+
 	if rw.FunctionConfig == nil {
 		rw.FunctionConfig = b.FunctionConfig
 	}
-	rw.Results = b.Results
-
-	if !rw.NoWrap {
+	if !rw.NoWrap && rw.WrappingKind == "" {
 		rw.WrappingAPIVersion = b.WrappingAPIVersion
 		rw.WrappingKind = b.WrappingKind
 	}
 	return val, errors.Wrap(err)
 }
 
 func (rw *ByteReadWriter) Write(nodes []*yaml.RNode) error {
-	return ByteWriter{
+	w := ByteWriter{
 		Writer:                rw.Writer,
 		KeepReaderAnnotations: rw.KeepReaderAnnotations,
 		Style:                 rw.Style,
 		FunctionConfig:        rw.FunctionConfig,
 		Results:               rw.Results,
-		WrappingAPIVersion:    rw.WrappingAPIVersion,
-		WrappingKind:          rw.WrappingKind,
-	}.Write(nodes)
+	}
+	if !rw.NoWrap {
+		w.WrappingAPIVersion = rw.WrappingAPIVersion
+		w.WrappingKind = rw.WrappingKind
+	}
+	return w.Write(nodes)
 }
 
 // ParseAll reads all of the inputs into resources