when there have no streams the progress will panic about index out of…

… range [0] with length 0. (#1002) fix it Co-authored-by: bojue <dongying.bao@crgecent.com>
iawia002 · Jan 19, 2022 · bfc1b1d · bfc1b1d
1 parent a4aac9c
commit bfc1b1d
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/downloader/downloader.go b/downloader/downloader.go
@@ -537,6 +537,10 @@ func (downloader *Downloader) aria2(title string, stream *types.Stream) error {
 
 // Download download urls
 func (downloader *Downloader) Download(data *types.Data) error {
+	if len(data.Streams) == 0 {
+		return fmt.Errorf("no streams in title %s", data.Title)
+	}
+
 	sortedStreams := genSortedStreams(data.Streams)
 	if downloader.option.InfoOnly {
 		printInfo(data, sortedStreams)