add minimal haskell boilerplate

1 files changed, 25 insertions, 5 deletions

diff --git a/default.nix b/default.nix
index 5359062..08799f6 100644
--- a/default.nix
+++ b/default.nix
@@ -1,5 +1,25 @@
-{ pkgs ? import <nixpkgs> {
-    overlays = [ (import ./pkgs) ];
-  }
-}:
-pkgs.callPackage ./anissue.nix { }
+{ pkgs ? import <nixpkgs> { } }:
+
+let
+
+  haskellPackages = pkgs.haskellPackages.override {
+    overrides = self: super: {
+      anissue = super.callCabal2nix "anissue" ./. {};
+    };
+  };
+
+in
+
+rec {
+  inherit (haskellPackages) anissue;
+  shell = haskellPackages.shellFor {
+    packages = _: [ anissue ];
+    buildInputs = [
+      haskellPackages.cabal-install
+      haskellPackages.ormolu
+    ];
+    shellHook = ''
+      HISTFILE=${pkgs.lib.escapeShellArg ./.}/.history; export HISTFILE
+    '';
+  };
+}