Updated haskell-WebServer-Extras expression.

Unfortunately, we cannot build this package at all, because it depends
on the Crypto library which doesn't support old versions of GHC. Newer
versions of GHC, however, cannot compile WebServer-Extras. :-( I've
contacted upstream and asked for advice.

svn path=/nixpkgs/trunk/; revision=28582

pkgs/development/libraries/haskell/WebServer-Extras/default.nix

@@ -1,19 +1,27 @@
-{cabal, fetchgit, Crypto, WebServer, base64string, hslogger, json, mtl
-}:
+{ cabal, base64String, Crypto, hslogger, json, mtl, random, WebServer, fetchgit }:
 
-cabal.mkDerivation (self : {
+cabal.mkDerivation (self: {
   pname = "WebServer-Extras";
   version = "1.2";
 
   src = fetchgit {
     url = git://github.com/arjunguha/haskell-web.git;
-    rev = "76c9aabd31d03f052a80a0f6999dc7c5f1b11c41" ;
-    sha256 = "afd550a4c6aeffe2f3adb38556b8e9ae198e98db17338ea6c8fa92d56c7eddb7";
+    rev = "931a2ec1744cd5c5139af9a3fe8195a36dc3acec" ;
   };
+
+  buildDepends = [
+    base64String Crypto hslogger json mtl random WebServer
+  ];
+
   sourceRoot = "git-export/Extras";
-  propagatedBuildInputs = [Crypto WebServer base64string hslogger json mtl];
+
   meta = {
-    description = "";
+    description = "Web related tools and services";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+    maintainers = [
+      self.stdenv.lib.maintainers.andres
+      self.stdenv.lib.maintainers.simons
+    ];
   };
 })
-