Fix linting issues

internal/app/wwctl/profile/delete/main.go

@@ -8,6 +8,7 @@ import (
 	"github.com/hpcng/warewulf/internal/pkg/util"
 	"github.com/hpcng/warewulf/internal/pkg/wwlog"
 	"github.com/manifoldco/promptui"
+	"github.com/pkg/errors"
 	"github.com/spf13/cobra"
 )
 
@@ -39,7 +40,10 @@ func CobraRunE(cmd *cobra.Command, args []string) error {
 						if np == r {
 							wwlog.Printf(wwlog.VERBOSE, "Removing profile from node %s: %s\n", n.Id.Get(), r)
 							n.Profiles = util.SliceRemoveElement(n.Profiles, r)
-							nodeDB.NodeUpdate(n)
+							err := nodeDB.NodeUpdate(n)
+							if err != nil {
+								return errors.Wrap(err, "failed to update node")
+							}
 						}
 					}
 				}
@@ -71,7 +75,10 @@ func CobraRunE(cmd *cobra.Command, args []string) error {
 	}
 
 	if SetYes {
-		nodeDB.Persist()
+		err := nodeDB.Persist()
+		if err != nil {
+			return errors.Wrap(err, "failed to persist nodedb")
+		}
 	} else {
 		q := fmt.Sprintf("Are you sure you want to delete %d profile(s)", count)
 
@@ -83,7 +90,10 @@ func CobraRunE(cmd *cobra.Command, args []string) error {
 		result, _ := prompt.Run()
 
 		if result == "y" || result == "yes" {
-			nodeDB.Persist()
+			err := nodeDB.Persist()
+			if err != nil {
+				return errors.Wrap(err, "failed to persist nodedb")
+			}
 		}
 	}