[Nix-dev] upgrades and channels

[Mathijs Kwik]

Op 5 jul. 2012 22:59 schreef "Mathijs Kwik" <mathijs at bluescreen303.nl> het
volgende:
>
> cool, tnx
>
> And a question about NIX_PATH:
> by default it's
>
NIX_PATH='/nix/var/nix/profiles/per-user/root/channels/nixos:nixpkgs=/etc/nixos/nixpkgs:nixos=/etc/nixos/nixos:nixos-config=/etc/nixos/configuration.nix:services=/etc/nixos/services'
>
> I understand the name=value pairs give the <name> syntax, but how does a
plain dirname (like the channels/nixos dir) get handled?
> I see it contains nixos and nixpkgs, but also a cryptic default.nix
>
> My local /home/mathijs/nix-dev dir contains nixos and nixpkgs.
> If I want to switch to using those instead of the channel (temporarily),
can I just point NIX_PATH there? Or do I need the default.nix too? Or do I
beeld to specify nixpkg= and nixos= separately?

s/beeld/need/

Damn you Dutch android spell checker ! :)

>
> Thanks,
> Mathijs
>
> On Thu, Jul 5, 2012 at 10:33 PM, Eelco Dolstra <
eelco.dolstra at logicblox.com> wrote:
> > Hi Mathijs,
> >
> > On 05/07/12 16:29, Mathijs Kwik wrote:
> >
> >> Can someone please tell me the differences between these 3 upgrade
options?
> >>
> >> nixos-rebuild:
> >> --upgrade fetch the latest version of NixOS before rebuilding
> >
> > This is equivalent to:
> >
> > $ nix-channel --update nixos
> > $ nixos-rebuild ...
> >
> > So it's just a convenience.
> >
> >> --pull do a nix-pull to get the latest NixOS channel manifest
> >
> > This is obsolete, but it may be useful for people who don't use the
channel. It
> > gets the latest NixOS manifest, but there is no guarantee that the
manifest
> > corresponds to your NixOS/Nixpkgs revision.
> >
> > --
> > Eelco Dolstra | LogicBlox, Inc. | http://nixos.org/~eelco/
> > _______________________________________________
> > nix-dev mailing list
> > nix-dev at lists.science.uu.nl
> > http://lists.science.uu.nl/mailman/listinfo/nix-dev
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