1 files changed, 50 insertions, 0 deletions
diff --git a/nix/haskell-overlay.nix b/nix/haskell-overlay.nix
new file mode 100644
index 0000000..b496cd4
--- /dev/null
+++ b/nix/haskell-overlay.nix
@@ -0,0 +1,50 @@
+self: super:
+
+let
+ claySrc = super.pkgs.fetchFromGitHub {
+    owner = "sebastiaanvisser";
+    repo = "clay";
+    rev = "cc7729b1b42a79e261091ff7835f7fc2a7ae3cee";
+    sha256 = "1vd67976lvi5l4qq18zy6j44apynkl44ps04p8vwfx4gzr895dyp";
+  };
+ jsaddleSrc = super.pkgs.fetchFromGitHub {
+    owner = "ghcjs";
+    repo = "jsaddle";
+    rev = "1e39844";
+    sha256 = "1qrjrjagmrrlcalys33636w5cb67db52i183masb7xd93wir8963";
+  };
+  misoSrc = super.pkgs.fetchFromGitHub {
+    owner = "dmjio";
+    repo = "miso";
+    rev = "1.5";
+    sha256 = "00al7gw760vzzlqpf035k4n4li0rdymcjpxn184z9nc4m92cjv9z";
+  };
+in {
+  haskell = super.haskell // {
+    packages = super.haskell.packages // {
+      ghc865 = super.haskell.packages.ghc865.override (old: {
+        overrides = with super.pkgs.haskell.lib; self: super: {
+          clay = self.callCabal2nix "clay" claySrc {};
+          miso = self.callCabal2nix "miso" misoSrc {};
+          wai-middleware-metrics = dontCheck super.wai-middleware-metrics;
+        };
+      });
+      ghcjs = super.haskell.packages.ghcjs.override (old: {
+        overrides = with super.haskell.lib; self: super: {
+          QuickCheck = dontCheck super.QuickCheck;
+          base-compat-batteries = dontCheck super.http-types;
+          clay = dontCheck (self.callCabal2nix "clay" claySrc {});
+          comonad = dontCheck super.comonad;
+          jsaddle-warp = dontCheck (self.callCabal2nix "jsaddle-warp" "${jsaddleSrc}/jsaddle-warp" {});
+          http-types = dontCheck super.http-types;
+          miso = self.callCabal2nix "miso" misoSrc {};
+          network-uri= dontCheck super.network-uri;
+          scientific = dontCheck super.scientific; # takes forever
+          servant = dontCheck super.servant;
+          tasty-quickcheck = dontCheck super.tasty-quickcheck;
+          time-compat = dontCheck super.time-compat;
+        };
+      });
+    };
+  };
+}