Merge pull request #122447 from ardaguclu/fix-debug-attach

Initialize default attach func regardless of the value of flag

staging/src/k8s.io/kubectl/pkg/cmd/debug/debug.go

@@ -213,6 +213,8 @@ func (o *DebugOptions) Complete(restClientGetter genericclioptions.RESTClientGet
 	attachFlag := cmd.Flags().Lookup("attach")
 	if !attachFlag.Changed && o.Interactive {
 		o.Attach = true
+	}
+
 	// Downstream tools may want to use their own customized
 	// attach function to do extra work or use attach command
 	// with different flags instead of the static one defined in
@@ -221,7 +223,6 @@ func (o *DebugOptions) Complete(restClientGetter genericclioptions.RESTClientGet
 	if o.AttachFunc == nil {
 		o.AttachFunc = o.handleAttachPod
 	}
-	}
 
 	// Environment
 	envStrings, err := cmd.Flags().GetStringToString("env")