fixed missing nil check and execution of db update

utils.go

@@ -185,8 +185,8 @@ func (b *BuildManager) refreshSRCINFOs(ctx context.Context, path string) error {
 					if err != nil {
 						log.Infof("Unable to determine status for package %s: %v", proto.Pkgbase, err)
 						b.repoPurge[proto.FullRepo] <- []*ProtoPackage{proto}
-					} else {
-						proto.DbPackage.Update().SetPkgbuild(proto.Pkgbuild)
+					} else if proto.DbPackage != nil {
+						proto.DbPackage.Update().SetPkgbuild(proto.Pkgbuild).ExecX(ctx)
 					}
 				}
 			}