Added wwctl image build --syncuser

- #1321

Signed-off-by: Jonathon Anderson <janderson@ciq.com>

internal/app/wwctl/image/build/main.go

@@ -1,16 +1,27 @@
 package build
 
 import (
+	"fmt"
+
 	"github.com/spf13/cobra"
-	"github.com/warewulf/warewulf/internal/pkg/api/image"
+	apiimage "github.com/warewulf/warewulf/internal/pkg/api/image"
 	"github.com/warewulf/warewulf/internal/pkg/api/routes/wwapiv1"
+	"github.com/warewulf/warewulf/internal/pkg/image"
 )
 
 func CobraRunE(cmd *cobra.Command, args []string) error {
+	if SyncUser {
+		for _, name := range args {
+			if err := image.SyncUids(name, true); err != nil {
+				return fmt.Errorf("syncuser error: %w", err)
+			}
+		}
+	}
+
 	cbp := &wwapiv1.ImageBuildParameter{
 		ImageNames: args,
 		Force:      BuildForce,
 		All:        BuildAll,
 	}
-	return image.ImageBuild(cbp)
+	return apiimage.ImageBuild(cbp)
 }