[Nix-dev] drone and nix (sort of solved)

[Harmen]

On Sun, Jun 18, 2017 at 05:46:03AM +0000, Wout Mertens wrote:
> Nice! Why is it not perfect?

Idealy I would not have to do the one-time setup on every machine. But it's
good enough.

> 
> On Fri, Jun 16, 2017 at 1:21 PM Harmen <harmen at lijzij.de> wrote:
> 
> > Hi all,
> >
> > I while ago here I asked about using nix with drone.io (a CI system which
> > uses docker), to deal with push based tests. I previously reported back
> > with a solution with gitlab, but I did end up with a workable (not perfect)
> > solution for drone.
> >
> > On the 'drone agent' machine run this once:
> >
> >     # docker volume create nix
> >     # docker run --rm -v nix:/newnix nixos/nix cp -a /nix/store /nix/var
> > /newnix
> >
> > in the .drone.yml files:
> >
> >     pipeline:
> >       build:
> >         image: nixos/nix
> >         commands:
> >           ...
> >         volumes:
> >           - nix:/nix/
> >
> > And whenever you want to update nixchannel:
> >
> >     # docker run -v nix:/nix/ --rm -ti nixos/nix nix-channel --update
> >
> >
> > This will share the /nix directory with every build, so rebuild (and
> > downloads!) are kept to a minimum.
> >
> >
> > Maybe it helps someone.
> > Thanks!
> > Harmen
> >
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> >