Don't panic on non-zero chunk sizes in Client.AddTorrentSpec

diff --git a/client.go b/client.go
index fd3466e274c5c22ecbfbbae3790fc490aa7bdde5..76f986aaebe5c54e862876d441d394e3260ef2b7 100644 (file)
--- a/client.go
+++ b/client.go
@@ -1520,8 +1520,10 @@ type AddTorrentOpts struct {
        InfoHash   infohash.T
        InfoHashV2 g.Option[infohash_v2.T]
        Storage    storage.ClientImpl
-       ChunkSize  pp.Integer
-       InfoBytes  []byte
+       // Only applied for new torrents (check Client.AddTorrent* method bool return value). If 0, the
+       // default chunk size is used (16 KiB in current modern BitTorrent clients).
+       ChunkSize pp.Integer
+       InfoBytes []byte
        // Don't hash data if piece completion is missing. This is useful for very large torrents that
        // are dropped in place from an external source and trigger a lot of initial piece checks.
        DisableInitialPieceCheck bool
@@ -1535,11 +1537,8 @@ type AddTorrentOpts struct {
 func (cl *Client) AddTorrentSpec(spec *TorrentSpec) (t *Torrent, new bool, err error) {
        t, new = cl.AddTorrentOpt(spec.AddTorrentOpts)
        modSpec := *spec
-       if new {
-               // ChunkSize was already applied by adding a new Torrent, and MergeSpec disallows changing
-               // it.
-               modSpec.ChunkSize = 0
-       }
+       // ChunkSize was already applied by adding a new Torrent, and MergeSpec disallows changing it.
+       modSpec.ChunkSize = 0
        err = t.MergeSpec(&modSpec)
        if err != nil && new {
                t.Drop()