diff --git a/default.nix b/default.nix
index 9022125..3aa78f4 100644
--- a/default.nix
+++ b/default.nix
@@ -6,8 +6,20 @@ let
   composerEnv = import ./composer-env.nix {
     inherit (pkgs) stdenv lib writeTextFile fetchurl php unzip phpPackages;
   };
+  phpPack = import ./php-packages.nix {
+        inherit composerEnv noDev;
+        inherit (pkgs) fetchurl fetchgit fetchhg fetchsvn;
+    };
 in
-import ./php-packages.nix {
-  inherit composerEnv noDev;
-  inherit (pkgs) fetchurl fetchgit fetchhg fetchsvn;
+stdenv.mkDerivation {
+  name = "searchanddisplace-core-source";
+  src = builtins.fetchGit {
+   url = "https://git.law/newroco/searchanddisplace-ingest.git";
+   ref = "master";
+  };
+
+  phases = [ "installPhase" ];
+  installPhase = ''
+    cp -r $src $out
+  '';
 }