Ricardo Wurmus <rek...@elephly.net> writes:
> Hi Guix, > > I really like the fact that Guix can substitute derivations. It’s a > great way to transfer a profile from one powerful machine to a weak > machine without having to set up SSH for “guix copy” first. > > I just build a profile on machine A, and then on the weak machine B I > do > > guix build --substitute-urls="http://A:8000" > /gnu/store/…-profile.drv > > and all items for that profile are copied to B. > > Did I say *all items*? Well, … grafts are not included, because graft > derivations are marked as not substitutable. > > Can we change that conditionally? I would really like to avoid having > to build grafts on B when they have already been built on A. I would love this too, because IO can be incredibly slow on HDDs and large packages. My netbook would be thankful.