.

wcfs/δbtail.go

@@ -235,8 +235,12 @@ func (tidx trackIndex) ApplyΔ(δ *δtrackIndex) {
 	// process adds
 	δnchild := map[zodb.Oid]int{}
 	for oid, δt := range δ.Add {
-		_, already := tidx[oid]
+		t, already := tidx[oid]
 		if already {
+			// XXX but check if with the same parent
+			if t.parent != δt.parent {
+				panic("TODO")
+			}
 			continue // object already tracked
 		}