1 files changed, 17 insertions, 0 deletions

diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..294fea0
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,17 @@
+{ pkgs ? (import <nixpkgs> {})
+, haskellPackages ? (import ./default.nix { inherit pkgs; }).haskellPackages
+}:
+
+let
+  ghc = (haskellPackages.ghcWithPackages (ps: (payload ++ depends ++ (with ps; [ hlint cabal2nix cabal-install ])))).override { ignoreCollisions = true; };
+  payload = builtins.attrValues (import ./default.nix {});
+  depends = builtins.concatLists (builtins.map (x: if builtins.hasAttr "nativeBuildInputs" x then x.nativeBuildInputs else []) (builtins.attrValues (import ./default.nix {})));
+in pkgs.stdenv.mkDerivation rec {
+  bareName = "sequence";
+  name = "${bareName}-env";
+  buildInputs = [ ghc ];
+  shellHook = ''
+    eval $(egrep ^export ${ghc}/bin/ghc)
+    export PROMPT_INFO="${name}"
+  '';
+}