mount: make directories show with non zero size

See: https://forum.rclone.org/t/empty-folder-when-rclone-mount-used-as-external-storage-of-nextcloud/9251

cmd/mount/dir.go

@@ -37,6 +37,8 @@ func (d *Dir) Attr(ctx context.Context, a *fuse.Attr) (err error) {
 	a.Crtime = modTime
 	// FIXME include Valid so get some caching?
 	// FIXME fs.Debugf(d.path, "Dir.Attr %+v", a)
+	a.Size = 512
+	a.Blocks = 1
 	return nil
 }
 

vendor/github.com/t3rm1n4l/go-mega/mega.go

@@ -721,10 +721,6 @@ func (m *Mega) addFSNode(itm FSNode) (*Node, error) {
 
 		switch {
 		case itm.T == FILE:
-			if len(compkey) < 8 {
-				m.logf("ignoring item: compkey too short (%d): %#v", len(compkey), itm)
-				return nil, nil
-			}
 			key = []uint32{compkey[0] ^ compkey[4], compkey[1] ^ compkey[5], compkey[2] ^ compkey[6], compkey[3] ^ compkey[7]}
 		default:
 			key = compkey