UI updates to include "overlay kind"

internal/app/wwctl/overlay/imprt/root.go

@@ -4,20 +4,18 @@ import "github.com/spf13/cobra"
 
 var (
 	baseCmd = &cobra.Command{
-		Use:     "import [flags] <overlay name> <source file> [dest location]",
+		Use:     "import [flags] <overlay kind> <overlay name> <host source> [overlay target]",
 		Short:   "Import a file into a Warewulf Overlay",
 		Long:    "This command will import a file into a given Warewulf overlay.",
 		RunE:    CobraRunE,
-		Args:    cobra.RangeArgs(2, 3),
+		Args:    cobra.RangeArgs(3, 4),
 		Aliases: []string{"cp"},
 	}
-	SystemOverlay   bool
 	PermMode        int32
 	NoOverlayUpdate bool
 )
 
 func init() {
-	baseCmd.PersistentFlags().BoolVarP(&SystemOverlay, "system", "s", false, "Show system overlays instead of runtime")
 	baseCmd.PersistentFlags().Int32VarP(&PermMode, "mode", "m", 0755, "Permission mode for directory")
 	baseCmd.PersistentFlags().BoolVarP(&NoOverlayUpdate, "noupdate", "n", false, "Don't update overlays")
 }