1 files changed, 12 insertions, 1 deletions
diff --git a/Biz/Bild.nix b/Biz/Bild.nix
index c24cecd..7d23d6a 100644
--- a/Biz/Bild.nix
+++ b/Biz/Bild.nix
@@ -107,7 +107,18 @@ let
     # hand-written builder we need
     bild = self.stdenv.mkDerivation {
       name = "bild";
-      src = ../.;
+      srcs = self.lib.fileset.toSource {
+        root = ../.;
+        fileset = self.lib.fileset.unions [
+          ../Alpha.hs
+          ../Biz/Bild.hs
+          ../Biz/Bild/Meta.hs
+          ../Biz/Cli.hs
+          ../Biz/Log.hs
+          ../Biz/Namespace.hs
+          ../Biz/Test.hs
+        ];
+      };
       nativeBuildInputs = [ self.haskell.ghcPackageSetBild ];
       buildInputs = [ self.makeWrapper ];
       propagatedBuildInputs = with self.pkgs; [