Ditch the intermediate MetaInfo type

fs/torrentfs.go

@@ -9,6 +9,7 @@ import (
 	"sync"
 	"time"
 
+	"github.com/anacrolix/libtorgo/metainfo"
 	"golang.org/x/net/context"
 
 	"bazil.org/fuse"
@@ -55,7 +56,7 @@ type rootNode struct {
 
 type node struct {
 	path     []string
-	metadata *torrent.MetaInfo
+	metadata *metainfo.Info
 	FS       *TorrentFS
 	t        torrent.Torrent
 }
@@ -246,7 +247,7 @@ func (me rootNode) Lookup(ctx context.Context, name string) (_node fusefs.Node,
 			FS:       me.fs,
 			t:        t,
 		}
-		if t.Info.SingleFile() {
+		if !t.Info.IsDir() {
 			_node = fileNode{__node, uint64(t.Info.Length), 0}
 		} else {
 			_node = dirNode{__node}
@@ -267,7 +268,7 @@ func (me rootNode) ReadDir(ctx context.Context) (dirents []fuse.Dirent, err erro
 		dirents = append(dirents, fuse.Dirent{
 			Name: t.Info.Name,
 			Type: func() fuse.DirentType {
-				if t.Info.SingleFile() {
+				if !t.Info.IsDir() {
 					return fuse.DT_File
 				} else {
 					return fuse.DT_Dir

metainfo.go

@@ -1,18 +0,0 @@
-package torrent
-
-import "github.com/anacrolix/libtorgo/metainfo"
-
-// A wrapper around the raw info that provides some helper methods.
-type MetaInfo struct {
-	*metainfo.Info
-}
-
-func newMetaInfo(info *metainfo.Info) *MetaInfo {
-	return &MetaInfo{
-		Info: info,
-	}
-}
-
-func (me *MetaInfo) SingleFile() bool {
-	return len(me.Info.Files) == 0
-}

torrent.go

@@ -60,7 +60,7 @@ type torrent struct {
 
 	data TorrentData
 
-	Info *MetaInfo
+	Info *metainfo.Info
 	// Active peer connections.
 	Conns []*connection
 	// Set of addrs to which we're attempting to connect.
@@ -183,7 +183,7 @@ func infoPieceHashes(info *metainfo.Info) (ret []string) {
 
 // Called when metadata for a torrent becomes available.
 func (t *torrent) setMetadata(md metainfo.Info, infoBytes []byte, eventLocker sync.Locker) (err error) {
-	t.Info = newMetaInfo(&md)
+	t.Info = &md
 	t.length = 0
 	for _, f := range t.Info.UpvertedFiles() {
 		t.length += f.Length
@@ -411,7 +411,7 @@ func (t *torrent) MetaInfo() *metainfo.MetaInfo {
 	}
 	return &metainfo.MetaInfo{
 		Info: metainfo.InfoEx{
-			Info:  *t.Info.Info,
+			Info:  *t.Info,
 			Bytes: t.MetaData,
 		},
 		CreationDate: time.Now().Unix(),