Oops, minor correction (s/nixpkgs/nixos): sudo nix-channel --remove nixos sudo nix-channel --add https://nixos.org/channels/nixos-unstable nixos # ...or... sudo nix-channel --add https://nixos.org/channels/nixos-14.12 nixos
-Charles On Mon, Dec 29, 2014 at 1:22 AM, Charles Strahan < charles.c.stra...@gmail.com> wrote: > Hi Tim, > > It looks like you're using the latest from the stabe 14.04 release, which > doesn't support the `extension` argument: > > > https://github.com/NixOS/nixpkgs/blob/release-14.04/pkgs/top-level/haskell-defaults.nix#L230-237 > > Compare that to master: > > > https://github.com/NixOS/nixpkgs/blob/master/pkgs/top-level/haskell-defaults.nix#L148-155 > > You can see your current channel running: > > sudo nix-channel --list > > I would suggest updating your nixos channel to nixos-14.12 or > nixos-unstable: > > sudo nix-channel --remove nixos > sudo nix-channel --add https://nixos.org/channels/nixpkgs-unstable > nixos > # ...or... > sudo nix-channel --add https://nixos.org/channels/nixpkgs-14.12 nixos > > (The above commands are assuming that you're using NixOS, as opposed to > using Nix standalone.) > > Let me know if that helps! > > -Charles > > On Mon, Dec 29, 2014 at 12:48 AM, Tim Sears <t...@timsears.com> wrote: > >> Was trying this example at >> http://wiki.ocharles.org.uk/Nix#how-do-i-use-cabal2nix-for-local-projects >> and I when I enter nix-shell I an error >> >> $ nix-shell >> error: anonymous function at >> /nix/var/nix/profiles/per-user/root/channels/nixos/nixpkgs/pkgs/top-level/haskell-defaults.nix:230:5 >> called with unexpected argument `extension', at >> /nix/var/nix/profiles/per-user/root/channels/nixos/nixpkgs/lib/customisation.nix:58 >> >> Anybody seen this error or have any insight to share? >> >> Thanks, >> Tim >> >> >> _______________________________________________ >> nix-dev mailing list >> nix-dev@lists.science.uu.nl >> http://lists.science.uu.nl/mailman/listinfo/nix-dev >> >> >
_______________________________________________ nix-dev mailing list nix-dev@lists.science.uu.nl http://lists.science.uu.nl/mailman/listinfo/nix-dev