remove decoder interface since it is only used inside k8sdeps

pkg/commands/build/build.go

@@ -65,7 +65,7 @@ func NewCmdBuild(
 	out io.Writer, fs fs.FileSystem,
 	kf ifc.KunstructuredFactory,
 	ptf patch.TransformerFactory,
-	decoder ifc.Decoder, hash ifc.Hash) *cobra.Command {
+	hash ifc.Hash) *cobra.Command {
 	var o buildOptions
 	var p string
 
@@ -79,7 +79,7 @@ func NewCmdBuild(
 			if err != nil {
 				return err
 			}
-			return o.RunBuild(out, fs, kf, ptf, decoder, hash)
+			return o.RunBuild(out, fs, kf, ptf, hash)
 		},
 	}
 	cmd.Flags().StringVarP(
@@ -126,7 +126,7 @@ func (o *buildOptions) RunBuild(
 	out io.Writer, fSys fs.FileSystem,
 	kf ifc.KunstructuredFactory,
 	ptf patch.TransformerFactory,
-	decoder ifc.Decoder, hash ifc.Hash) error {
+	hash ifc.Hash) error {
 	rootLoader, err := loader.NewLoader(o.kustomizationPath, "", fSys)
 	if err != nil {
 		return err
@@ -137,7 +137,7 @@ func (o *buildOptions) RunBuild(
 		resmap.NewFactory(resource.NewFactory(kf)),
 		ptf,
 		makeTransformerconfig(fSys, o.transformerconfigPaths),
-		decoder, hash)
+		hash)
 	if err != nil {
 		return err
 	}

pkg/commands/build/build_test.go

@@ -131,9 +131,9 @@ func runBuildTestCase(t *testing.T, testcaseName string, updateKustomizeExpected
 	buf := bytes.NewBuffer([]byte{})
 	err = ops.RunBuild(
 		buf, fSys,
-		k8sdeps.NewKunstructuredFactoryImpl(k8sdeps.NewKustDecoder()),
+		k8sdeps.NewKunstructuredFactoryImpl(),
 		patch.NewPatchTransformerFactory(),
-		k8sdeps.NewKustDecoder(), k8sdeps.NewKustHash())
+		k8sdeps.NewKustHash())
 	switch {
 	case err != nil && len(testcase.ExpectedError) == 0:
 		t.Errorf("unexpected error: %v", err)