Cleanups and minor fixups

internal/app/wwctl/configure/dhcp/root.go

@@ -0,0 +1,25 @@
+package dhcp
+
+import (
+	"github.com/spf13/cobra"
+)
+
+var (
+	baseCmd = &cobra.Command{
+		Use:   "dhcp",
+		Short: "DHCP configuration",
+		Long:  "DHCP Config",
+		RunE:  CobraRunE,
+	}
+	SetShow bool
+)
+
+func init() {
+	baseCmd.PersistentFlags().BoolVarP(&SetShow, "show", "s", false, "Show configuration (don't update)")
+
+}
+
+// GetRootCommand returns the root cobra.Command for the application.
+func GetCommand() *cobra.Command {
+	return baseCmd
+}