Hi Ludo, On Fri, 15 Dec 2017 at 10:30, ludo@gnu.org (Ludovic Courtès) wrote: >> So I think we have to communicate more info from the daemon to ‘guix >> substitute’. > > The attached patch addresses that by simply calling out to the daemon to > determine whether we’re dealing with a content-addressed item. WDYT to rebase this patch [1] and resubmit to guix-patches in order to get more attention and so potential feedback and/or review? 1: Cheers, simon