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Allow using WalkOption in WriteCar function #357

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merged 1 commit into from
Jan 28, 2023
Merged

Allow using WalkOption in WriteCar function #357

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8 changes: 4 additions & 4 deletions car.go
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Original file line number Diff line number Diff line change
Expand Up @@ -40,11 +40,11 @@ type carWriter struct {

type WalkFunc func(format.Node) ([]*format.Link, error)

func WriteCar(ctx context.Context, ds format.NodeGetter, roots []cid.Cid, w io.Writer) error {
return WriteCarWithWalker(ctx, ds, roots, w, DefaultWalkFunc)
func WriteCar(ctx context.Context, ds format.NodeGetter, roots []cid.Cid, w io.Writer, options ...merkledag.WalkOption) error {
return WriteCarWithWalker(ctx, ds, roots, w, DefaultWalkFunc, options...)
}

func WriteCarWithWalker(ctx context.Context, ds format.NodeGetter, roots []cid.Cid, w io.Writer, walk WalkFunc) error {
func WriteCarWithWalker(ctx context.Context, ds format.NodeGetter, roots []cid.Cid, w io.Writer, walk WalkFunc, options ...merkledag.WalkOption) error {

h := &CarHeader{
Roots: roots,
Expand All @@ -58,7 +58,7 @@ func WriteCarWithWalker(ctx context.Context, ds format.NodeGetter, roots []cid.C
cw := &carWriter{ds: ds, w: w, walk: walk}
seen := cid.NewSet()
for _, r := range roots {
if err := merkledag.Walk(ctx, cw.enumGetLinks, r, seen.Visit); err != nil {
if err := merkledag.Walk(ctx, cw.enumGetLinks, r, seen.Visit, options...); err != nil {
return err
}
}
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