From 448046fd26c4f04cecde5b7496eaff746981ec67 Mon Sep 17 00:00:00 2001
From: Gregor Kleen <pngwjpgh@users.noreply.github.com>
Date: Tue, 2 Aug 2016 20:56:44 +0200
Subject: Framework

---
 shell.nix | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 shell.nix

(limited to 'shell.nix')

diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..6ed4ca8
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,19 @@
+{ pkgs ? (import <nixpkgs> {})
+, haskellPackages ? (import ./default.nix {}).haskellPackages
+}:
+
+let
+  trivstreamPackages = builtins.attrValues (import ./default.nix {});
+  ghc = haskellPackages.ghcWithPackages
+    (ps: trivstreamPackages ++ utilities ps ++ testDeps ps);
+  utilities = (ps: with ps; [ hlint cabal2nix ]);
+  testDeps = (ps: with ps; [ ]);
+in
+pkgs.stdenv.mkDerivation rec {
+  name = "trivstream-env";
+  buildInputs = [ ghc ];
+  shellHook = ''
+    eval $(egrep ^export ${ghc}/bin/ghc)
+    export PROMPT_INFO="${name}"
+  '';
+}
-- 
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