Also: Is this a recent thing? I'm on 16.03 and python.withPackages is failing. I also can't find anything online about it. --Taeer > On Jul 15, 2016, at 4:16 PM, Taeer Bar-Yam <[email protected]> wrote: > > Oh. Huh. That's very good to know, thank you. So is that the preferred nix > model for programming language packages then? > --Taeer >> On Jul 15, 2016, at 4:05 PM, Freddy Rietdijk <[email protected] >> <mailto:[email protected]>> wrote: >> >> Hi Taeer, >> >> For instance, the python model of >> python27Packages.package1 >> python27Packages.package2 >> is very different from the haskell model of >> (haskellPackages.ghcWithPackages (h: with h; [ >> package1 >> package2 >> ]) >> >> Actually, they're quite similar. For Python we also have `python.buildEnv` >> and `python.withPackages` of which the use is identical to your Haskell >> example. In certain cases it is possible to install or use individual Python >> packages but using `python.buildEnv` or `python.withPackages` generally >> works better. >> >> >> >> On Fri, Jul 15, 2016 at 9:41 PM, Taeer Bar-Yam <[email protected] >> <mailto:[email protected]>> wrote: >> Dear Knowledgable Nixers, >> >> Introduction >> I have been trying to get ruby gems installed in any way on my nixos >> machine. I have been reading up on the wikis, and I understand that this is >> not yet well put together. However, it seems that even things that aught to >> be working are not. >> >> Problem >> I put "bundler" in my configuration.nix, and it installs fine. However, when >> I try to actually run it, I get the error message: >> /nix/store/n5gqlhs1nmadxkbibv42wnxq3m7f404k-ruby-2.3.0-p0/lib/ruby/2.3.0/rubygems.rb:241:in >> `bin_path': can't find gem bundler (>= 0) (Gem::GemNotFoundException) >> from /run/current-system/sw/bin/bundler:14:in `<main>' >> >> I tried to add the gem I wanted to my configuration.nix directly using >> buildRubyGem, but ruby was not able to find it. >> >> The method the manual prescribes is dependent on already having bundler >> installed, so I have not had a chance to test that. >> >> Request/Solution >> I am interested in contributing to the nix community by developing a better >> system for ruby gem installation, so I guess what I am looking for is the >> following: >> >> 1) For now, what is the current simplest way to install a ruby gem so that I >> can, in the terminal, type >> $ irb >> > require 'desired_gem' >> and it will work? >> This can include simply installing bundler and using that locally with a >> gemfile, but I would prefer that any system-wide installation be done >> through configuration.nix >> >> 2) If I'm going to add a system for installing ruby gems, what would be the >> right way to design it? I understand that programming languages sometimes >> have structure that prevents us from always using the ideal path, so can >> y'all point me to a programming language that is considered "done right"? >> >> For instance, the python model of >> python27Packages.package1 >> python27Packages.package2 >> >> is very different from the haskell model of >> (haskellPackages.ghcWithPackages (h: with h; [ >> package1 >> package2 >> ]) >> My understanding is that the haskell model is a less-than-ideal kludge >> because haskell wont allow the python method. Is that right? Is there an >> even better way than python? >> >> Lastly, is there anyone already working on this that I should get in touch >> with instead of splitting efforts? >> >> Thank you, >> --Taeer >> >> _______________________________________________ >> nix-dev mailing list >> [email protected] <mailto:[email protected]> >> http://lists.science.uu.nl/mailman/listinfo/nix-dev >> <http://lists.science.uu.nl/mailman/listinfo/nix-dev> >> >> >
_______________________________________________ nix-dev mailing list [email protected] http://lists.science.uu.nl/mailman/listinfo/nix-dev
