feat: add multigroup flag

pkg/rescaffold/migrate.go

@@ -51,6 +51,10 @@ func (opts *MigrateOptions) Rescaffold() error {
 	if err := kubebuilderInit(config); err != nil {
 		log.Fatal(err)
 	}
+	// call edit subcommands to enable or disable multigroup layout
+	if err := kubebuilderEdit(config); err != nil {
+		log.Fatal(err)
+	}
 	return nil
 }
 
@@ -107,6 +111,14 @@ func kubebuilderInit(store store.Store) error {
 	return util.RunCmd("kubebuilder init", "kubebuilder", args...)
 }
 
+func kubebuilderEdit(store store.Store) error {
+	if store.Config().IsMultiGroup() {
+		args := []string{"edit", "--multigroup"}
+		return util.RunCmd("kubebuilder edit", "kubebuilder", args...)
+	}
+	return nil
+}
+
 func getInitArgs(store store.Store) []string {
 	var args []string
 	plugins := store.Config().GetPluginChain()

test/e2e/alphagenerate/generate_test.go

@@ -93,4 +93,24 @@ func ReGenerateProject(kbc *utils.TestContext) {
 		filepath.Join(kbc.Dir, "testdir", "PROJECT"), version)
 	ExpectWithOffset(1, err).NotTo(HaveOccurred())
 	ExpectWithOffset(1, fileContainsExpr).To(BeTrue())
+
+	By("editing a project with multigroup=true")
+	err = kbc.Edit(
+		"--multigroup=true",
+	)
+	ExpectWithOffset(1, err).NotTo(HaveOccurred())
+
+	By("regenerating the project at another output directory")
+	err = kbc.Regenerate(
+		"--input-dir", kbc.Dir,
+		"--output-dir", filepath.Join(kbc.Dir, "testdir2"),
+	)
+	ExpectWithOffset(1, err).NotTo(HaveOccurred())
+
+	By("checking if the project file was generated with the expected multigroup flag")
+	var multiGroup = `multigroup: true`
+	fileContainsExpr, err = pluginutil.HasFileContentWith(
+		filepath.Join(kbc.Dir, "testdir2", "PROJECT"), multiGroup)
+	ExpectWithOffset(1, err).NotTo(HaveOccurred())
+	ExpectWithOffset(1, fileContainsExpr).To(BeTrue())
 }