haskell-tagstream-conduit: New package, v0.5.2.

So, look at how small we chopped our little tree, we finally got all
dependencies for html-conduit:

        .- yesod-test -.
        |              |
     wai-test      html-conduit
     ___
   <'   `>
 <'  ,.., `>  |----------..
 <  `-'`-' >  | conduit    `.
 `<   ^^   >  |--------.    |
   \vvvvv/'            |    |
  TAGSTREAM
   `^^^^^'

Signed-off-by: aszlig <aszlig@redmoonstudios.org>

pkgs/development/libraries/haskell/tagstream-conduit/default.nix

@@ -0,0 +1,18 @@
+{ cabal, attoparsec, blazeBuilder, blazeBuilderConduit, conduit
+, text
+}:
+
+cabal.mkDerivation (self: {
+  pname = "tagstream-conduit";
+  version = "0.5.2";
+  sha256 = "12hg9khc670499c3ymc0s4xd2sg71grlk21ykqmby972dva77vxr";
+  buildDepends = [
+    attoparsec blazeBuilder blazeBuilderConduit conduit text
+  ];
+  meta = {
+    homepage = "http://github.com/yihuang/tagstream-conduit";
+    description = "streamlined html tag parser";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+  };
+})

pkgs/top-level/haskell-packages.nix

@@ -1467,6 +1467,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
 
   tagsoup = callPackage ../development/libraries/haskell/tagsoup {};
 
+  tagstreamConduit = callPackage ../development/libraries/haskell/tagstream-conduit {};
+
   temporary = callPackage ../development/libraries/haskell/temporary {};
 
   Tensor = callPackage ../development/libraries/haskell/Tensor {};