Add Nix support

c2n-regen.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+cabal2nix . > hlatex.nix
+# cabal2nix cabal://X-VERSION > nix/X.nix

default.nix

@@ -0,0 +1,7 @@
+{ nixpkgs ? import <nixpkgs> {}, compiler ? "ghc7101" }:
+let
+  callPackage = nixpkgs.pkgs.haskell.packages.${compiler}.callPackage;
+in
+callPackage ./hlatex.nix {
+  # X = callPackage ./nix/X.nix {};
+}

env.sh

@@ -0,0 +1,2 @@
+current_nixpkgs=$HOME/hub/np/nixpkgs
+[ ! -d "$current_nixpkgs" ] || export NIX_PATH=nixpkgs=$current_nixpkgs

hlatex.nix

@@ -0,0 +1,20 @@
+{ mkDerivation, base, base-unicode-symbols, containers, derive
+, directory, filepath, frquotes, mtl, process, stdenv
+, template-haskell, transformers, uniplate, utf8-string
+}:
+mkDerivation {
+  pname = "hlatex";
+  version = "0.3.1";
+  src = ./.;
+  isLibrary = true;
+  isExecutable = true;
+  libraryHaskellDepends = [
+    base base-unicode-symbols containers derive directory filepath mtl
+    process template-haskell transformers uniplate utf8-string
+  ];
+  executableHaskellDepends = [
+    base base-unicode-symbols containers frquotes mtl transformers
+  ];
+  description = "A library to build valid LaTeX files";
+  license = stdenv.lib.licenses.bsd3;
+}

shell.nix

@@ -0,0 +1,14 @@
+{ nixpkgs ? import <nixpkgs> {}, compiler ? "ghc7101" }:
+nixpkgs.lib.overrideDerivation
+  (import ./default.nix { inherit nixpkgs compiler; }).env
+  (old:
+   { buildInputs = old.buildInputs ++
+       (with nixpkgs.haskell.packages.${compiler}; [
+       cabal-install
+ #     ghc-make
+ #     ghc-mod
+ #     hlint
+ #     stylish-haskell
+ #     pointfree
+ #     pointful
+    ]);})