refactor(downloader): remove opts parameter from Resolve (#1595)

internal/protocol/http/fetcher.go

@@ -372,19 +372,11 @@ func (f *Fetcher) updateMaxConnTime(d time.Duration) {
 	}
 }
 
-func (f *Fetcher) Resolve(req *base.Request, opts *base.Options) error {
+func (f *Fetcher) Resolve(req *base.Request) error {
 	if err := base.ParseReqExtra[fhttp.ReqExtra](req); err != nil {
 		return err
 	}
 	f.meta.Req = req
-	f.meta.Opts = opts
-	if f.meta.Opts == nil {
-		f.meta.Opts = &base.Options{}
-	}
-
-	if err := f.initOptions(); err != nil {
-		return err
-	}
 
 	f.setState(stateResolving)
 
@@ -693,6 +685,9 @@ func (f *Fetcher) prepareFullRedownload() {
 
 // Options may be replaced between Resolve and Start when creating a resolved task.
 func (f *Fetcher) initOptions() error {
+	if f.meta.Opts == nil {
+		f.meta.Opts = &base.Options{}
+	}
 	opts := f.meta.Opts
 	// Parse options
 	if err := base.ParseOptExtra[fhttp.OptsExtra](opts); err != nil {