checking for nil pointer in merge namespace (#2659)

internal/config/data/context.go

@@ -53,9 +53,12 @@ func NewContextFromKubeConfig(ks KubeSettings) (*Context, error) {
 }
 
 func (c *Context) merge(old *Context) {
-	if old == nil {
+	if old == nil || old.Namespace == nil {
 		return
 	}
+	if c.Namespace == nil {
+		c.Namespace = NewNamespace()
+	}
 	c.Namespace.merge(old.Namespace)
 }
 

internal/config/data/context_int_test.go

@@ -70,6 +70,11 @@ func Test_contextMerge(t *testing.T) {
 				},
 			},
 		},
+		"no-namespace": {
+			c1: NewContext(),
+			c2: &Context{},
+			e:  NewContext(),
+		},
 	}
 
 	for k, u := range uu {

internal/view/app.go

@@ -466,7 +466,7 @@ func (a *App) switchContext(ci *cmd.Interpreter, force bool) error {
 				return err
 			}
 		}
-		a.Flash().Errf("Using %q namespace", ns)
+		a.Flash().Infof("Using %q namespace", ns)
 
 		if err := a.Config.Save(true); err != nil {
 			log.Error().Err(err).Msg("config save failed!")