raid5atemyhomework writes: > In any case, it looks to me that bordeaux is already in > `%default-substitute-mirrors`, which this patch uses, so it should get > included anyway as a fallback in case the SJTU mirror is not available > or something. So maybe the patch is OK as-is? I haven't looked at the changes here, but given bordeaux.guix.gnu.org is a default substitute server, I don't think it'll need special handling.