flake.nix

   1 {
   2 inputs.nixpkgs.url = "flake:nixpkgs";
   3 outputs = inputs: let
   4   pkg = "symantic-base";
   5   lib = inputs.nixpkgs.lib;
   6   forAllSystems = f: lib.genAttrs lib.systems.flakeExposed (system: f rec {
   7     inherit system;
   8     pkgs = inputs.nixpkgs.legacyPackages.${system};
   9     haskellPackages = pkgs.haskellPackages.extend (with pkgs.haskell.lib; hfinal: hsuper: {
  10       ${pkg} = buildFromSdist (hfinal.callCabal2nix pkg ./. {});
  11     });
  12   });
  13   in {
  14     # nix -L build
  15     defaultPackage = forAllSystems ({haskellPackages, ...}: haskellPackages.${pkg});
  16     # nix -L develop
  17     devShell = forAllSystems ({pkgs, haskellPackages, ...}:
  18       haskellPackages.shellFor {
  19         packages = ps: [ ps.${pkg} ];
  20         nativeBuildInputs = [
  21           haskellPackages.cabal-install
  22           haskellPackages.ghcid
  23           haskellPackages.haskell-language-server
  24           haskellPackages.hlint
  25           pkgs.git-chglog
  26           pkgs.reuse
  27         ];
  28         withHoogle = false;
  29       });
  30   };
  31 }