nixify

shell.nix

@@ -0,0 +1,78 @@
+{ nixpkgs ? import <nixpkgs> {}, compiler ? "ghc843", doBenchmark ? false
+}:
+
+let
+
+  inherit (nixpkgs) pkgs;
+
+  cpyNek0 =
+    with haskellPackages; callPackage (
+    { mkDerivation, aeson, base, classy-prelude, classy-prelude-conduit
+    , data-default, http-conduit, http-types, persistent, stdenv, yesod
+    , yesod-newsfeed, yesod-static
+    }:
+    mkDerivation {
+      pname = "classy-prelude-yesod";
+      version = "1.4.0";
+      sha256 = "0cd2a88f42c3541ba4bce6801c8b8d9c331e1c49a6288bf16f764676a34b9e28";
+      libraryHaskellDepends = [
+        aeson base classy-prelude classy-prelude-conduit data-default
+        http-conduit http-types persistent yesod yesod-newsfeed
+        yesod-static
+      ];
+      doHaddock = false;
+      homepage = "https://github.com/snoyberg/mono-traversable#readme";
+      description = "Provide a classy prelude including common Yesod functionality";
+      license = stdenv.lib.licenses.mit;
+    }) {};
+
+  f = { mkDerivation, aeson, base, base64-bytestring, blaze-builder
+      , blaze-markup, bytestring, classy-prelude, classy-prelude-conduit
+      , conduit, conduit-extra, containers
+      , cryptohash, data-default, directory, fast-logger, file-embed
+      , HDBC, HDBC-postgresql, hjsmin, hspec, http-conduit, JuicyPixels
+      , JuicyPixels-scale-dct, mime-mail, monad-control, monad-logger
+      , persistent, persistent-mysql, persistent-postgresql
+      , persistent-template, resourcet, safe, safe-exceptions
+      , shakespeare, split, stdenv, template-haskell, text, time
+      , transformers, unordered-containers, vector, wai, wai-extra
+      , wai-logger, warp, yaml, yesod, yesod-auth, yesod-core, yesod-form
+      , yesod-static, yesod-test
+      }:
+      mkDerivation {
+        pname = "yammat";
+        version = "0.0.8";
+        src = ./.;
+        isLibrary = true;
+        isExecutable = true;
+        libraryHaskellDepends = [
+          aeson base base64-bytestring blaze-builder blaze-markup bytestring
+          classy-prelude classy-prelude-conduit cpyNek0 conduit
+          conduit-extra containers cryptohash data-default directory
+          fast-logger file-embed HDBC HDBC-postgresql hjsmin http-conduit
+          JuicyPixels JuicyPixels-scale-dct mime-mail monad-control
+          monad-logger persistent persistent-postgresql persistent-template
+          safe safe-exceptions shakespeare split template-haskell text time
+          unordered-containers vector wai wai-extra wai-logger warp yaml
+          yesod yesod-auth yesod-core yesod-form yesod-static
+        ];
+        executableHaskellDepends = [ base ];
+        testHaskellDepends = [
+          base classy-prelude cpyNek0 hspec monad-logger
+          persistent persistent-mysql resourcet transformers yesod yesod-core
+          yesod-test
+        ];
+        license = stdenv.lib.licenses.agpl3;
+      };
+
+  haskellPackages = if compiler == "default"
+                       then pkgs.haskellPackages
+                       else pkgs.haskell.packages.${compiler};
+
+  variant = if doBenchmark then pkgs.haskell.lib.doBenchmark else pkgs.lib.id;
+
+  drv = variant (haskellPackages.callPackage f {});
+
+in
+
+  if pkgs.lib.inNixShell then drv.env else drv