On 05/31/2015 11:54 AM, m0rphism wrote: > On 05/30/2015 08:49 PM, Dmitry Malikov wrote: >> I'm trying to setup a development environment for a custom haskell library >> basing on a tutorial by Oliver Charles (http://wiki.ocharles.org.uk/Nix). >> >> So, here is a `shell.nix` of engine-io package >> with (import <nixpkgs> {}).pkgs; >> (haskellngPackages.callPackage ./. {}).env >> >> After I did `nix-shell` engine-io package is not actually installed inside >> this shell: >>>> ghc-pkg list | grep engine >>>> >> >> How to get Network.EngineIO available inside a nix-shell in this case? >> >> _______________________________________________ >> nix-dev mailing list >> [email protected] >> http://lists.science.uu.nl/mailman/listinfo/nix-dev > > I'm using this exact shell.nix for a few projects, where I have to > manually edit the default.nix. > > How does your default.nix look like? Does it list engine-io as a > parameter and a build-dependency? > > Here's an example default.nix, for which your shell.nix gets me into an > environment where `ghc-pkg list | grep engine` tells me that engine-io > is installed. > > { mkDerivation, stdenv, engine-io } : # <-- engine-io > mkDerivation { > pname = "myproject"; > version = "0.1.0.0"; > src = ./.; > isLibrary = false; > isExecutable = true; > buildDepends = [ engine-io ]; # <-- engine-io > description = ""; > license = stdenv.lib.licenses.publicDomain; > } > > The haskellngPackages.callPackage in nix.shell then calls this function > in default.nix and supplies the package arguments, which it fetched from > the nixpkgs checkout referenced by <nixpkgs>, which is the location > described in your $NIX_PATH by `nixpkgs=...`. > > Hope I could help! :) > _______________________________________________ > nix-dev mailing list > [email protected] > http://lists.science.uu.nl/mailman/listinfo/nix-dev > >
I misread your original mail. I thought engine-io was a dependency of your project and not that engine-io was your project. You can ignore my previous mail and instead refer to peti's response. Sorry for the confusion. _______________________________________________ nix-dev mailing list [email protected] http://lists.science.uu.nl/mailman/listinfo/nix-dev
