Last bit of updates for basic overlay support

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

@@ -0,0 +1,27 @@
+package chmod
+
+import "github.com/spf13/cobra"
+
+var (
+	baseCmd = &cobra.Command{
+		Use:                "chmod [overlay name] [numeric mode] [file path]",
+		Short:              "Change permissions within an overlay",
+		Long:               "Change permissions within an overlay",
+		RunE:				CobraRunE,
+		Args: 				cobra.ExactArgs(3),
+
+	}
+	SystemOverlay bool
+	NoOverlayUpdate bool
+)
+
+func init() {
+	baseCmd.PersistentFlags().BoolVarP(&SystemOverlay, "system", "s", false, "Show System Overlays as well")
+	baseCmd.PersistentFlags().BoolVarP(&NoOverlayUpdate, "noupdate", "n", false, "Don't update overlays")
+
+}
+
+// GetRootCommand returns the root cobra.Command for the application.
+func GetCommand() *cobra.Command {
+	return baseCmd
+}