fixed linting

internal/app/wwctl/container/syncuser/main.go

@@ -5,6 +5,7 @@ import (
 	"os"
 
 	"github.com/hpcng/warewulf/internal/pkg/container"
+	"github.com/hpcng/warewulf/internal/pkg/wwlog"
 	"github.com/spf13/cobra"
 )
 
@@ -15,7 +16,7 @@ func CobraRunE(cmd *cobra.Command, args []string) error {
 	}
 	err := container.SyncUids(containerName)
 	if err != nil {
-		fmt.Sprint(err)
+		wwlog.Printf(wwlog.ERROR, "Error in synchronize: %s\n", err)
 		os.Exit(1)
 	}
 

internal/pkg/container/util.go

@@ -182,6 +182,9 @@ func SyncUids(name string) error {
 				}
 				return nil
 			})
+			if err != nil {
+				return err
+			}
 		}
 	}
 	// change uids and gid of file