models: include LFS when calculating repo size (#11060)

Fixes #9369

Co-authored-by: John Olheiser <john.olheiser@gmail.com>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>

models/repo.go

@@ -806,6 +806,14 @@ func (repo *Repository) updateSize(e Engine) error {
 		return fmt.Errorf("updateSize: %v", err)
 	}
 
+	objs, err := repo.GetLFSMetaObjects(-1, 0)
+	if err != nil {
+		return fmt.Errorf("updateSize: GetLFSMetaObjects: %v", err)
+	}
+	for _, obj := range objs {
+		size += obj.Size
+	}
+
 	repo.Size = size
 	_, err = e.ID(repo.ID).Cols("size").Update(repo)
 	return err