Improve maintainability by aligning internal layout: move main.go boilerplate to cmd/ directory

Moves main.go boilerplate to the cmd/ directory to align the project structure with scaffolded templates, ensuring consistency and maintainability.

Author: camilamacedo86

pkg/plugins/golang/v4/scaffolds/api.go

@@ -19,6 +19,7 @@ package scaffolds
 import (
 	"errors"
 	"fmt"
+	"sigs.k8s.io/kubebuilder/v4/pkg/plugins/golang/v4/scaffolds/internal/templates/cmd"
 
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/afero"
@@ -27,7 +28,6 @@ import (
 	"sigs.k8s.io/kubebuilder/v4/pkg/machinery"
 	"sigs.k8s.io/kubebuilder/v4/pkg/model/resource"
 	"sigs.k8s.io/kubebuilder/v4/pkg/plugins"
-	"sigs.k8s.io/kubebuilder/v4/pkg/plugins/golang/v4/scaffolds/internal/templates"
 	"sigs.k8s.io/kubebuilder/v4/pkg/plugins/golang/v4/scaffolds/internal/templates/api"
 	"sigs.k8s.io/kubebuilder/v4/pkg/plugins/golang/v4/scaffolds/internal/templates/controllers"
 	"sigs.k8s.io/kubebuilder/v4/pkg/plugins/golang/v4/scaffolds/internal/templates/hack"
@@ -111,7 +111,7 @@ func (s *apiScaffolder) Scaffold() error {
 	}
 
 	if err := scaffold.Execute(
-		&templates.MainUpdater{WireResource: doAPI, WireController: doController},
+		&cmd.MainUpdater{WireResource: doAPI, WireController: doController},
 	); err != nil {
 		return fmt.Errorf("error updating cmd/main.go: %v", err)
 	}

pkg/plugins/golang/v4/scaffolds/init.go

@@ -18,6 +18,7 @@ package scaffolds
 
 import (
 	"fmt"
+	"sigs.k8s.io/kubebuilder/v4/pkg/plugins/golang/v4/scaffolds/internal/templates/cmd"
 	"strings"
 
 	log "github.com/sirupsen/logrus"
@@ -141,7 +142,7 @@ func (s *initScaffolder) Scaffold() error {
 	}
 
 	return scaffold.Execute(
-		&templates.Main{
+		&cmd.Main{
 			ControllerRuntimeVersion: ControllerRuntimeVersion,
 		},
 		&templates.GoMod{

pkg/plugins/golang/v4/scaffolds/internal/templates/main.go renamed to pkg/plugins/golang/v4/scaffolds/internal/templates/cmd/main.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package templates
+package cmd
 
 import (
 	"fmt"

pkg/plugins/golang/v4/scaffolds/webhook.go

@@ -18,6 +18,7 @@ package scaffolds
 
 import (
 	"fmt"
+	"sigs.k8s.io/kubebuilder/v4/pkg/plugins/golang/v4/scaffolds/internal/templates/cmd"
 
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/afero"
@@ -27,7 +28,6 @@ import (
 	"sigs.k8s.io/kubebuilder/v4/pkg/model/resource"
 	pluginutil "sigs.k8s.io/kubebuilder/v4/pkg/plugin/util"
 	"sigs.k8s.io/kubebuilder/v4/pkg/plugins"
-	"sigs.k8s.io/kubebuilder/v4/pkg/plugins/golang/v4/scaffolds/internal/templates"
 	"sigs.k8s.io/kubebuilder/v4/pkg/plugins/golang/v4/scaffolds/internal/templates/hack"
 	"sigs.k8s.io/kubebuilder/v4/pkg/plugins/golang/v4/scaffolds/internal/templates/test/e2e"
 	"sigs.k8s.io/kubebuilder/v4/pkg/plugins/golang/v4/scaffolds/internal/templates/webhooks"
@@ -95,7 +95,7 @@ func (s *webhookScaffolder) Scaffold() error {
 	if err := scaffold.Execute(
 		&webhooks.Webhook{Force: s.force, IsLegacyPath: s.isLegacy},
 		&e2e.WebhookTestUpdater{WireWebhook: true},
-		&templates.MainUpdater{WireWebhook: true, IsLegacyPath: s.isLegacy},
+		&cmd.MainUpdater{WireWebhook: true, IsLegacyPath: s.isLegacy},
 		&webhooks.WebhookTest{Force: s.force, IsLegacyPath: s.isLegacy},
 	); err != nil {
 		return err