fix: allow enabling git auth using update command

the update command just updates the secret if it already exists, meaning
it fails if you want to enable git auth after creating the app. This
will call create if the secret could not be found.

update/application.go

@@ -9,6 +9,7 @@ import (
 	apps "github.com/ninech/apis/apps/v1alpha1"
 	"github.com/ninech/nctl/api"
 	"github.com/ninech/nctl/api/util"
+	"k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 )
 
@@ -83,6 +84,15 @@ func (cmd *applicationCmd) Run(ctx context.Context, client *api.Client) error {
 			if auth.Enabled() {
 				secret := auth.Secret(app)
 				if err := client.Get(ctx, client.Name(secret.Name), secret); err != nil {
+					if errors.IsNotFound(err) {
+						auth.UpdateSecret(secret)
+						if err := client.Create(ctx, secret); err != nil {
+							return err
+						}
+
+						return nil
+					}
+
 					return err
 				}