fs: Add CanHaveEmptyDirectories and BucketBased feature flags to all remotes

googlecloudstorage/googlecloudstorage.go

@@ -317,7 +317,11 @@ func NewFs(name, root string) (fs.Fs, error) {
 		location:      fs.ConfigFileGet(name, "location"),
 		storageClass:  fs.ConfigFileGet(name, "storage_class"),
 	}
-	f.features = (&fs.Features{ReadMimeType: true, WriteMimeType: true}).Fill(f)
+	f.features = (&fs.Features{
+		ReadMimeType:  true,
+		WriteMimeType: true,
+		BucketBased:   true,
+	}).Fill(f)
 	if f.objectACL == "" {
 		f.objectACL = "private"
 	}