fixup! feat: fix get-dag and add version=1 option

cmd/car/get.go

@@ -15,7 +15,6 @@ import (
 	_ "github.com/ipld/go-ipld-prime/codec/json"
 	_ "github.com/ipld/go-ipld-prime/codec/raw"
 
-	blocks "github.com/ipfs/go-block-format"
 	"github.com/ipfs/go-cid"
 	ipfsbs "github.com/ipfs/go-ipfs-blockstore"
 	"github.com/ipld/go-car"
@@ -173,7 +172,7 @@ func writeCarV1(rootCid cid.Cid, output string, bs *blockstore.ReadOnly, strict
 	if linkVisitOnlyOnce {
 		opts = append(opts, car.TraverseLinksOnlyOnce())
 	}
-	sc := car.NewSelectiveCar(context.Background(), &readStore{bs}, []car.Dag{{Root: rootCid, Selector: sel}}, opts...)
+	sc := car.NewSelectiveCar(context.Background(), bs, []car.Dag{{Root: rootCid, Selector: sel}}, opts...)
 	f, err := os.Create(output)
 	if err != nil {
 		return err
@@ -182,11 +181,3 @@ func writeCarV1(rootCid cid.Cid, output string, bs *blockstore.ReadOnly, strict
 
 	return sc.Write(f)
 }
-
-type readStore struct {
-	bs *blockstore.ReadOnly
-}
-
-func (rs *readStore) Get(c cid.Cid) (blocks.Block, error) {
-	return rs.bs.Get(c)
-}