this is broken

cabal.nix

@@ -0,0 +1,12 @@
+{ mkDerivation, base, filepath, hakyll, hakyll-favicon, stdenv }:
+mkDerivation {
+  pname = "rf";
+  version = "0.1.3.1";
+  src = ./.;
+  isLibrary = false;
+  isExecutable = true;
+  executableHaskellDepends = [ base filepath hakyll hakyll-favicon ];
+  homepage = "regularflolloping.com";
+  description = "tA's blog";
+  license = stdenv.lib.licenses.bsd3;
+}

default.nix

@@ -1,12 +1 @@
-{ mkDerivation, base, filepath, hakyll, hakyll-favicon, stdenv }:
-mkDerivation {
-  pname = "rf";
-  version = "0.1.3.1";
-  src = ./.;
-  isLibrary = false;
-  isExecutable = true;
-  executableHaskellDepends = [ base filepath hakyll hakyll-favicon ];
-  homepage = "regularflolloping.com";
-  description = "tA's blog";
-  license = stdenv.lib.licenses.bsd3;
-}
+with import ./rf.nix; rfBuilt

rf.nix

@@ -9,7 +9,7 @@ let
          haskellPackages = pkgs.haskellPackages.override {
             overrides = haskellPackagesNew: haskellPackagesOld: rec {
                rf =
-                  haskellPackagesNew.callPackage ./default.nix { };
+                  haskellPackagesNew.callPackage ./cabal.nix { };
             };
          };
       };
@@ -19,4 +19,6 @@ in
    rec {
       inherit pkgs;
       rf = pkgs.haskellPackages.rf;
+      rfBuilt = pkgs.runCommand { buildInputs = [rf]; }
+        "mkdir $out; cd $out; touch TEST; site rebuild";
    }

robots.txt

@@ -1,6 +1,8 @@
 User-agent: *
 Disallow:
 
+#TESTE TESTE
+
 # robots are our pals
 # a robot helped deploy this blog!
 # i hope we can be friends :)

shell.nix

@@ -1,8 +1,9 @@
 let
    stuff = import ./rf.nix;
-in stuff.rf.env.overrideAttrs (drv: {
-  buildInputs = drv.buildInputs ++ [
-     stuff.pkgs.imagemagick
-     stuff.pkgs.inconsolata  
-  ];
-})
+in 
+  stuff.rf.env.overrideAttrs (drv: {
+    buildInputs = drv.buildInputs ++ [
+       stuff.pkgs.imagemagick
+       stuff.pkgs.inconsolata  
+    ];
+  })