[Nix-dev] cannot start worker (unexpected end-of-file)

[Lluís Batlle i Rossell]

On Mon, Mar 25, 2013 at 01:29:26PM +0100, Eelco Dolstra wrote:
> Hi,
> 
> On 18/03/13 22:51, Lluís Batlle i Rossell wrote:
> 
> > The trouble happens because "nixos-rebuild boot" will use your nix 1.5 to
> > communicate with your nix 1.2 daemon.
> > 
> > When I see there is a nix update, I usually prefer to use "nixos-rebuild boot
> > --no-build-nix", so the store doesn't get updated to a new version.
> > 
> > If the store gets updated to a new db version, and the following nixos build
> > fails, you end up in your state: the next nixos-rebuild run won't understand
> > the store.
> 
> FWIW, nixos-rebuild tries hard to prevent this situation.  It only uses the new
> Nix for evaluation, not for accessing the store; the old daemon is used for
> that.  So the schema should not be upgraded.

Right, but I remember in my case (and maybe others') it deadlocked, I stopped the
daemon, and then 'tried' to rebuild nixos. :)