Update 115.go

backend/115/115.go

@@ -262,6 +262,11 @@ This enables separate client instances dedicated to downloading files`,
 			Help: `Disable proxy settings for the download-only client.
 			
 Use this flag with the "--115-download-cookie" option to bypass proxy settings for downloads.`,
+		}, {
+			Name:     "no_check",
+			Default:  false,
+			Advanced: true,
+			Help:     "Disable post-upload directory listing check (f.listAll) in PutUnchecked",
 		}, {
 			Name:     config.ConfigEncoding,
 			Help:     config.ConfigEncodingHelp,
@@ -303,6 +308,7 @@ type Options struct {
 	UploadConcurrency   int                  `config:"upload_concurrency"`
 	DownloadCookie      fs.CommaSepList      `config:"download_cookie"`
 	DownloadNoProxy     bool                 `config:"download_no_proxy"`
+	NoCheck             bool                 `config:"no_check"`
 	Enc                 encoder.MultiEncoder `config:"encoding"`
 }
 
@@ -1018,6 +1024,10 @@ func (f *Fs) putUnchecked(ctx context.Context, in io.Reader, src fs.ObjectInfo,
 			return nil
 		}
 
+		if f.opt.NoCheck {
+			return nil
+		}
+
 		var info *api.File
 		found, err := f.listAll(ctx, o.parent, f.opt.ListChunk, true, false, func(item *api.File) bool {
 			if strings.ToLower(item.Sha) == o.sha1sum {