Merge pull request #4890 from ipfs/feat/fast-ls

infer type from CID when possible in ls command

core/commands/ls.go

@@ -18,6 +18,7 @@ import (
 	uio "github.com/ipfs/go-ipfs/unixfs/io"
 	unixfspb "github.com/ipfs/go-ipfs/unixfs/pb"
 
+	cid "gx/ipfs/QmcZfnkapfECQGcLZaf9B79NRg7cRa9EnZh4LSbkCzwNvY/go-cid"
 	"gx/ipfs/QmceUdzxkimdYsgtX733uNgzf1DLHyBKN6ehGSp85ayppM/go-ipfs-cmdkit"
 	ipld "gx/ipfs/Qme5bWv7wtjUNGsK2BNGVUFPKiuxWrsqrtvYwCLRw8YFES/go-ipld-format"
 )
@@ -134,6 +135,11 @@ The JSON output contains type information.
 			for j, link := range links {
 				t := unixfspb.Data_DataType(-1)
 
+				switch link.Cid.Type() {
+				case cid.Raw:
+					// No need to check with raw leaves
+					t = unixfspb.Data_File
+				case cid.DagProtobuf:
 					linkNode, err := link.GetNode(req.Context(), dserv)
 					if err == ipld.ErrNotFound && !resolve {
 						// not an error
@@ -149,9 +155,9 @@ The JSON output contains type information.
 							res.SetError(err, cmdkit.ErrNormal)
 							return
 						}
-
 						t = d.GetType()
 					}
+				}
 				output[i].Links[j] = LsLink{
 					Name: link.Name,
 					Hash: link.Cid.String(),