.

wcfs/internal/xbtree/treediff.go

@@ -883,7 +883,6 @@ func δMerge(δ, δ2 map[Key]ΔValue) error {
 func diffB(ctx context.Context, a, b *Bucket) (δ map[Key]ΔValue, err error) {
 	tracefDiff("  diffB %s %s\n", xzodb.XidOf(a), xzodb.XidOf(b))
 	defer xerr.Contextf(&err, "diffB %s %s", xzodb.XidOf(a), xzodb.XidOf(b))
-	// XXX oid can be InvalidOid for T/B... (i.e. B is part of T and is not yet committed separately)
 
 	var av []BucketEntry
 	var bv []BucketEntry
@@ -898,7 +897,7 @@ func diffB(ctx context.Context, a, b *Bucket) (δ map[Key]ΔValue, err error) {
 		bv  = b.Entryv() // key↑
 	}
 
-	δ   = map[Key]ΔValue{}
+	δ = map[Key]ΔValue{}
 	defer tracefDiff("    -> δb: %v\n", δ)
 	//debugfDiff("    av: %v", av)
 	//debugfDiff("    bv: %v", bv)
@@ -949,6 +948,7 @@ func (rn *nodeInRange) String() string {
 	return fmt.Sprintf("%s%s%s", done, rn.keycov, vnode(rn.node))
 }
 
+
 // push pushes element to node stack.
 func push(nodeStk *[]*nodeInRange, top *nodeInRange) {
 	*nodeStk = append(*nodeStk, top)