default.nix

   1 { pkgs ? import <nixpkgs> {}
   2 , ghc ? null
   3 , withHoogle ? false
   4 }:
   5 let
   6   haskellPackages =
   7     if ghc == null
   8     then pkgs.haskellPackages
   9     else pkgs.haskell.packages.${ghc};
  10   hs = haskellPackages.extend (with pkgs.haskell.lib; hself: hsuper: {
  11       symantic-base = buildFromSdist (hself.callCabal2nix "symantic-base" ./. {});
  12   });
  13 in hs.symantic-base // {
  14   shell = hs.shellFor {
  15     doBenchmark = true;
  16     packages = p: [ p.symantic-base ];
  17     nativeBuildInputs = [
  18       hs.cabal-install
  19       hs.ghcid
  20       hs.haskell-language-server
  21       hs.hlint
  22     ];
  23     buildInputs = [
  24     ];
  25     inherit withHoogle;
  26   };
  27 }