default.nix

   1 { pkgs ? import <nixpkgs> {}
   2 , ghc ? null #"ghc8102"
   3 , withHoogle ? false
   4 #, symantic-base ? null
   5 }:
   6 let
   7   haskellPackages =
   8     if ghc == null
   9     then pkgs.haskellPackages
  10     else pkgs.haskell.packages.${ghc};
  11   hs = haskellPackages.extend (with pkgs.haskell.lib;
  12     hself: hsuper: {
  13       /*
  14       mkDerivation = drv: hsuper.mkDerivation (
  15         # There is no much cache for other ghc,
  16         # hence build as little as possible.
  17         drv // pkgs.lib.optionalAttrs (ghc != null) {
  18           enableLibraryProfiling = false;
  19           doHaddock = false;
  20           doBenchmark = false;
  21           doCoverage = false;
  22           doHoogle = false;
  23           #doCheck = false;
  24           # Enable check here so that symantic-parser.getCabalDeps contains testHaskellDepends,
  25           # which are needed in the shell to run:
  26           # cabal repl --enable-tests symantic-parser-test
  27           # Wrapping symantic-parser in a doCheck (hence using overrideCabal) would not work.
  28           # And I have no idea why the version suffix must also be included.
  29           doCheck = builtins.match "symantic-parser.*" drv.pname != null;
  30         }
  31       );
  32       */
  33       symantic-base = hself.callCabal2nix "symantic-base" (pkgs.fetchgit {
  34         url = "git://git.sourcephile.fr/haskell/symantic-base";
  35         sha256 = "sha256-I636Kl+S93BDX1xrEMQdf217pLeT6FeF4BBpj83sEgQ=";
  36       }) {};
  37       symantic-parser = enableExecutableProfiling (doCheck (hself.callCabal2nix "symantic-parser" ./. {}));
  38     } //
  39     packageSourceOverrides {
  40       # symantic-parser = ./.;
  41     } hself hsuper
  42   );
  43 in hs.symantic-parser // {
  44   shell = hs.shellFor {
  45     packages = p: [ p.symantic-parser ];
  46     nativeBuildInputs = [
  47       hs.cabal-install
  48       hs.haskell-language-server
  49       hs.hpc
  50     ];
  51     buildInputs = [
  52       #hs.ghcid
  53       #hs.ormolu
  54       hs.hlint
  55       #pkgs.nixpkgs-fmt
  56     ];
  57     inherit withHoogle;
  58   };
  59 }