Package elixir and rebar.

Signed-off-by: Moritz Ulrich <moritz@tarn-vedra.de>

pkgs/development/interpreters/elixir/default.nix

@@ -0,0 +1,20 @@
+{ stdenv, fetchurl, erlang, rebar }:
+
+stdenv.mkDerivation {
+  name = "elixir-0.10.1";
+
+  src = fetchurl {
+    url = "https://github.com/elixir-lang/elixir/archive/v0.10.1.tar.gz";
+    sha256 = "0gfr2bz3mw7ag9z2wb2g22n2vlyrp8dwy78fj9zi52kzl5w3vc3w";
+  };
+
+  buildInputs = [ erlang rebar ];
+
+  preBuild = ''
+    substituteInPlace rebar \
+      --replace "/usr/bin/env escript" ${erlang}/bin/escript
+    substituteInPlace Makefile \
+      --replace '$(shell echo `pwd`/rebar)' ${rebar}/bin/rebar \
+      --replace "/usr/local" $out
+  '';
+}

pkgs/development/tools/build-managers/rebar/default.nix

@@ -0,0 +1,18 @@
+{ stdenv, fetchurl, erlang }:
+
+stdenv.mkDerivation {
+  name = "rebar-2.1.0-pre";
+
+  src = fetchurl {
+    url = "https://github.com/basho/rebar/archive/2.1.0-pre.tar.gz";
+    sha256 = "0dsbk9ssvk1hx9275900dg4bz79kpwcid4gsz09ziiwzv0jjbrjn";
+  };
+
+  buildInputs = [ erlang ];
+
+  buildPhase = "escript bootstrap";
+  installPhase = ''
+    mkdir -p $out/bin
+    cp rebar $out/bin/rebar
+  '';
+}

pkgs/top-level/all-packages.nix

@@ -3035,6 +3035,10 @@ let
   erlangR16B01 = callPackage ../development/interpreters/erlang/R16B01.nix { };
   erlang = erlangR16B01;
 
+  rebar = callPackage ../development/tools/build-managers/rebar { };
+
+  elixir = callPackage ../development/interpreters/elixir { };
+
   groovy = callPackage ../development/interpreters/groovy { };
 
   guile_1_8 = callPackage ../development/interpreters/guile/1.8.nix { };