1 files changed, 24 insertions, 0 deletions
diff --git a/nix/overlay.nix b/nix/overlay.nix
new file mode 100644
index 0000000..c8ec384
--- /dev/null
+++ b/nix/overlay.nix
@@ -0,0 +1,24 @@
+{ nix-filter, ... }:
+final: prev: let
+  src = nix-filter {
+    root = ../.;
+    include = [
+      ../app
+      ../src
+      ../package.yaml
+      # ../www-main.cabal
+    ];
+  };
+in {
+  haskellPackages = prev.haskellPackages.extend (hfinal: hprev: {
+    www-main = hfinal.callCabal2nix "www-main" src {};
+  });
+
+  site = prev.symlinkJoin {
+    name = "site";
+    paths = [
+      (final.haskell.lib.compose.justStaticExecutables final.haksellPackages.www-main)
+      prev.rsync
+    ];
+  };
+}