j haskell: intial commit

jeschli/2configs/haskell.nix

@@ -0,0 +1,19 @@
+{ config, pkgs, ... }:
+let
+  all-hies = import (fetchTarball "https://github.com/infinisil/all-hies/tarball/master") {};
+in
+{
+  environment.systemPackages = with pkgs; [
+    cabal2nix
+    gcc
+    ghc
+    haskellPackages.cabal-install
+    haskellPackages.ghcid
+    haskellPackages.hindent
+    haskellPackages.hlint
+    haskellPackages.hoogle
+    haskellPackages.stack
+    haskellPackages.stylish-haskell
+    (all-hies.selection { selector = p: {inherit (p) ghc864; }; })
+  ];
+}