From 9c2da8a2969ff2284d875f67380c4536cda37cda Mon Sep 17 00:00:00 2001
From: Andrey Pavlov <couchemar@yandex.ru>
Date: Tue, 12 Jan 2016 16:53:31 +0300
Subject: [PATCH] elixir: 1.1.1 -> 1.2.0

---
 pkgs/development/interpreters/elixir/default.nix | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/pkgs/development/interpreters/elixir/default.nix b/pkgs/development/interpreters/elixir/default.nix
index 380da51da77..642bde39e7e 100644
--- a/pkgs/development/interpreters/elixir/default.nix
+++ b/pkgs/development/interpreters/elixir/default.nix
@@ -1,18 +1,21 @@
 { stdenv, fetchurl, erlang, rebar, makeWrapper, coreutils, curl, bash }:
 
-let
-  version = "1.1.1";
-in
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   name = "elixir-${version}";
+  version = "1.2.0";
 
   src = fetchurl {
     url = "https://github.com/elixir-lang/elixir/archive/v${version}.tar.gz";
-    sha256 = "0shh5brhcrvbvhl4bw0fs2y5llw7i97khkkglygx30ncvd7nwz9v";
+    sha256 = "0s3j7ra9gb2p3dwgfxghvc9mkv6ffgvz27aj5wgwk0xq2d9fws4z";
   };
 
   buildInputs = [ erlang rebar makeWrapper ];
 
+  # Elixir expects that UTF-8 locale to be set (see https://github.com/elixir-lang/elixir/issues/3548).
+  # In other cases there is warnings during compilation.
+  LANG = "en_US.UTF-8";
+  LC_TYPE = "en_US.UTF-8";
+
   preBuild = ''
     # The build process uses ./rebar. Link it to the nixpkgs rebar
     rm -v rebar
@@ -52,6 +55,6 @@ stdenv.mkDerivation {
 
     license = licenses.epl10;
     platforms = platforms.unix;
-    maintainers = [ maintainers.the-kenny maintainers.havvy ];
+    maintainers = with maintainers; [ the-kenny havvy couchemar ];
   };
 }