func makeFakeDB(graph *dag.DAG, sig []byte) BuildDB { var bdb BuildDB = db.NewFakeDB() for _, node := range graph.Nodes() { record := db.NewBuildRecord() record.SetTargetSignature(sig) for _, parent := range graph.ParentNodes(node) { record.AddParent(parent.Name(), sig) } bdb.WriteNode(node.Name(), record) } return bdb }