From afc41f22783ffe58b7c138bc0e152051bf008a0a Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Wed, 21 Nov 2012 12:23:11 +0100
Subject: [PATCH] haskell-lens: add version 3.3

---
 .../libraries/haskell/lens/default.nix        | 22 +++++++++++++++++++
 pkgs/top-level/haskell-packages.nix           |  2 ++
 2 files changed, 24 insertions(+)
 create mode 100644 pkgs/development/libraries/haskell/lens/default.nix

diff --git a/pkgs/development/libraries/haskell/lens/default.nix b/pkgs/development/libraries/haskell/lens/default.nix
new file mode 100644
index 000000000000..c849665b1c80
--- /dev/null
+++ b/pkgs/development/libraries/haskell/lens/default.nix
@@ -0,0 +1,22 @@
+{ cabal, comonad, comonadsFd, comonadTransformers, filepath
+, hashable, mtl, parallel, semigroups, split, text, transformers
+, unorderedContainers, vector, void
+}:
+
+cabal.mkDerivation (self: {
+  pname = "lens";
+  version = "3.3";
+  sha256 = "0gq24y1727ml5lpr0b67hqw3vwanvx6hpk3lsfx3nk6csscn1lvk";
+  buildDepends = [
+    comonad comonadsFd comonadTransformers filepath hashable mtl
+    parallel semigroups split text transformers unorderedContainers
+    vector void
+  ];
+  noHaddock = true;
+  meta = {
+    homepage = "http://github.com/ekmett/lens/";
+    description = "Lenses, Folds and Traversals";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index b17634da2adf..6d0050222d53 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -1119,6 +1119,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
 
   leksahServer = callPackage ../development/libraries/haskell/leksah/leksah-server.nix {};
 
+  lens = callPackage ../development/libraries/haskell/lens {};
+
   libmpd = callPackage ../development/libraries/haskell/libmpd {};
 
   liblastfm = callPackage ../development/libraries/haskell/liblastfm {};