Hi Gio',

Somehow I missed this message.  Sorry about that.

Giovanni Biscuolo 写道：
> looking at your recent addition (cool!) I found that your commit 
> also
> upgrades nix to 2.3.7, probably by mistake.

Yup.

> I don't know if there is a policy in cases like this: should we 
> revert
> that commit and split in two commits?

Nope.  It shouldn't happen, of course, but IMO once it's done it's 
done (assuming it didn't break Nix, of course).

Thanks for paying attention!

T G-R