Add release.nix

release.nix

@@ -0,0 +1,35 @@
+/* Build instructions for the continuous integration system Hydra. */
+
+{  releaseBuild ? false
+, supportedSystems ? ["x86_64-linux"] ++ (if releaseBuild then ["i686-linux" "x86_64-darwin"] else [])
+}:
+
+with import <nixpkgs/pkgs/top-level/release-lib.nix> { inherit supportedSystems; };
+
+let 
+
+
+  overrides = self: super: {
+
+    orbit = self.callPackage ./default.nix {};
+
+    # mkJob = pkg: pkgs.haskell.lib.buildStrictly (super.${pkg}.override {
+    #   mkDerivation = args: super.mkDerivation (args // {
+    #     src = cabal2nixSrc;
+    #     version = cabal2nixSrc.gitTag;
+    #   });
+    # });
+
+    # distribution-nixpkgs = self.mkJob "distribution-nixpkgs";
+
+    # cabal2nix = self.mkJob "cabal2nix";
+
+    # hackage2nix = self.mkJob "hackage2nix";
+
+  };
+
+  mkJob = attr: testOn supportedSystems (pkgs: ((pkgs.haskellPackages.override { inherit overrides; })).${attr});
+
+in 
+
+  mkJob "orbit"