Wow, awesome answer! I never understood what the -P option claimed to do, so I never tried it. It's super-useful! Thanks for teaching it!
I used that attribute in my "buildInputs", and my app seems to have that Gem available in its "nix-shell". Super awesome - thanks Bjorne! On Nov 30, 2013 5:34 PM, "Bjørn Forsman" <bjorn.fors...@gmail.com> wrote: > Hi Alex, > > On 30 November 2013 07:03, Alex Berg <chex...@gmail.com> wrote: > > I'm looking at the "ruby/generated.nix" file: > > > https://github.com/NixOS/nixpkgs/blob/master/pkgs/development/interpreters/ruby/generated.nix > > > > Does anyone know how to add these Gems as a package's dependencies? I > can't > > find any documentation or examples. > > > > I read the code and I tried many different attributes, but I can't figure > > out how to add these Nix expressions to add Gems as buildInputs to my > app's > > Nix expression. I tried "pkgs.gems.bundler" and a few other attribute > paths, > > but nothing works. > > Here is one way to find the attribute (the only way I know apart from > reading and fully understanding all the related expressions): > > $ nix-env -qaP | grep bundler > nixos.pkgs.rubyLibs.bundler > ruby-bundler-1.3.5 > > So "rubyLibs.bundler" is the attribute you're looking for. > > Best regards, > Bjørn Forsman >
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