From eb4618d288ee0ffc19c06400464a58d698b15870 Mon Sep 17 00:00:00 2001
From: Oliver Charles <ollie@ocharles.org.uk>
Date: Sun, 29 Dec 2013 12:32:43 +0000
Subject: [PATCH] haskellPackages.lensAeson: New expression

---
 .../libraries/haskell/lens-aeson/default.nix  | 23 +++++++++++++++++++
 pkgs/top-level/haskell-packages.nix           |  2 ++
 2 files changed, 25 insertions(+)
 create mode 100644 pkgs/development/libraries/haskell/lens-aeson/default.nix

diff --git a/pkgs/development/libraries/haskell/lens-aeson/default.nix b/pkgs/development/libraries/haskell/lens-aeson/default.nix
new file mode 100644
index 00000000000..7ea890a5eb3
--- /dev/null
+++ b/pkgs/development/libraries/haskell/lens-aeson/default.nix
@@ -0,0 +1,23 @@
+{ cabal, aeson, attoparsec, doctest, filepath, genericDeriving
+, lens, semigroups, simpleReflect, text, unorderedContainers
+, utf8String, vector
+}:
+
+cabal.mkDerivation (self: {
+  pname = "lens-aeson";
+  version = "0.1.2";
+  sha256 = "1h0w8p227r8gzvgqjl210i0z7xxv3435vwyi3j7vkm7a05cdk03l";
+  buildDepends = [
+    aeson attoparsec lens text unorderedContainers utf8String vector
+  ];
+  testDepends = [
+    doctest filepath genericDeriving semigroups simpleReflect
+  ];
+  meta = {
+    homepage = "http://github.com/lens/lens-aeson/";
+    description = "Law-abiding lenses for aeson";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+    maintainers = [ self.stdenv.lib.maintainers.ocharles ];
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index ba7da1fb874..72dcc10a155 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -1456,6 +1456,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.finalReturn x
 
   lens = callPackage ../development/libraries/haskell/lens {};
 
+  lensAeson = callPackage ../development/libraries/haskell/lens-aeson {};
+
   lensDatetime = callPackage ../development/libraries/haskell/lens-datetime {};
 
   lenses = callPackage ../development/libraries/haskell/lenses {};