Please don't use myEnvFun, it's not documented and superseeded by nix-shell.
See Development/Python section in nixpkgs manual: http://nixos.org/nixpkgs/manual/#python On Mon, Mar 2, 2015 at 9:58 AM, Kirill Elagin <kirela...@gmail.com> wrote: > I think I figured it out. Here are the steps to get stable nixpkgs: > > ~~~~ > $ nix-channel --remove nixos > $ nix-channel --remove nixpkgs > $ nix-channel --add https://nixos.org/channels/nixos-14.12 nixos > $ nix-channel --update > $ ln -s ~/.nix-defexpr/channels/nixos/nixpkgs ~/.nix-defexpr/nixpkgs > $ export NIX_PATH=nixpkgs=$HOME/.nix-defexpr/nixpkgs > ~~~~ > > And the last step is to put the last line (`export > NIX_PATH=nixpkgs=$HOME/.nix-defexpr/nixpkgs`) into `~/.profile` or > something like that. > > After this your original `shell.nix` should work without modifications I > suggested in my previous message. > > On Mon, Mar 2, 2015 at 11:29 AM Kirill Elagin <kirela...@gmail.com> wrote: > >> That’s because you now have the `nixos` expression instead of `nixpkgs` >> but it is still misleadingly called `nixpkgs`. >> I suggested this to you somewhere mid-February just as the quickest >> solution to get stable nixpkgs because you wanted sass and there were some >> Ruby-related changes going on in master. >> >> Again, the quickest solution now is to replace the first line with: >> >> ~~~~ >> let pkgs = (import <nixpkgs> {}).pkgs; >> ~~~~ >> >> But it’s probably better to figure things out. >> First of all, it might be the case that Ruby things on master stabilised >> and you’ll be able to switch back to unstable and get sass working. I have >> no idea, as I don’t use Ruby, we need an advise from someone who knows >> what’s going on with Ruby in nixpkgs. >> Another posibility is to be honest and rename the stable nixos channel to >> `nixos` and then set `$NIX_PATH` to >> `nixpkgs=$HOME/.nix-defexpr/channels/nixos/nixpkgs`. There might be a >> better way to do this with `~/.nix-defexpr` but I actually still have no >> idea how it works, so we need someone else’s advice here again. >> >> >> On Sun, Mar 1, 2015 at 5:12 PM Catonano <caton...@gmail.com> wrote: >> >>> 2015-01-15 15:16 GMT+01:00 Luca Bruno <lethalma...@gmail.com>: >>> >>>> let pkgs = import <nixpkgs> {}; >>>> in pkgs.myEnvFun { >>>> name = "openArpa-env"; >>>> buildInputs = with pkgs.python27Packages; [ >>>> python >>>> xlrd >>>> >>>> ]; >>>> }; >>>> >>>> Then nix-shell. >>>> >>> >>> This worked. Now I'm back to this little project, as I have to process a >>> new batch of files and the thing doesn't work anymore >>> >>> $ nix-shell >>> error: attribute ‘myEnvFun’ missing, at "/home/catonano/Taranto/ >>> openpuglia/openArpa/default.nix":2:4 >>> >>> I migh have installed nix-packages from scratch since then, I'm not sure >>> >>> Now it's >>> >>> $ nix-env --version >>> nix-env (Nix) 1.8 >>> >>> >>> _______________________________________________ >>> 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 > >
_______________________________________________ nix-dev mailing list nix-dev@lists.science.uu.nl http://lists.science.uu.nl/mailman/listinfo/nix-dev
