more cleanup

pkgs/development/interpreters/ruby/bundler.nix

@@ -0,0 +1,7 @@
+{ buildRubyGem }:
+
+buildRubyGem {
+  name = "bundler-1.7.4";
+  sha256 = "122k07z60780mr00zfbbw04v9xlw1fhxjsx4g2rbm66hxlnlnh89";
+  dontPatchShebangs = true;
+}

pkgs/development/interpreters/ruby/gem.nix

@@ -1,6 +1,10 @@
-{ ruby, fetchurl, rubygemsFun, makeWrapper, lib, git }:
+{ lib, ruby, rubygemsFun, fetchurl, makeWrapper, git } @ defs:
+
+lib.makeOverridable (
 
 { name
+, ruby ? defs.ruby
+, rubygems ? (rubygemsFun ruby)
 , namePrefix ? "${ruby.name}" + "-"
 , buildInputs ? []
 , doCheck ? false
@@ -9,10 +13,7 @@
 , gemPath ? []
 , ...} @ attrs:
 
-let
-  rubygems = rubygemsFun ruby;
-
-in ruby.stdenv.mkDerivation (attrs // {
+ruby.stdenv.mkDerivation (attrs // {
   inherit doCheck;
 
   buildInputs = [ rubygems makeWrapper git ] ++ buildInputs;
@@ -119,3 +120,5 @@ in ruby.stdenv.mkDerivation (attrs // {
   passthru.isRubyGem = true;
   inherit meta;
 })
+
+)

pkgs/development/interpreters/ruby/load-ruby-env.nix

@@ -1,12 +1,10 @@
-{ pkgs, lib, callPackage, gemFixes, fetchurl }:
+{ ruby, lib, callPackage, gemFixes, fetchurl, buildRubyGem }@defs:
 
-{ gemset, ruby ? pkgs.ruby, fixes ? gemFixes }@args:
+{ gemset, ruby ? defs.ruby, fixes ? gemFixes }@args:
 
 let
   const = x: y: x;
 
-  buildRubyGem = callPackage ./gem.nix { inherit ruby; };
-
   fetchers.gem = attrs: fetchurl {
     url = "${attrs.src.source or "https://rubygems.org"}/downloads/${attrs.name}-${attrs.version}.gem";
     inherit (attrs.src) sha256;
@@ -21,12 +19,12 @@ let
         fixedAttrs // {
           name = "${attrs.name}-${attrs.version}";
           src = fetchers."${attrs.src.type}" attrs;
-          inherit gemPath;
+          inherit ruby gemPath;
         }
       )
   );
 
-  gemset' = if builtins.isAttrs gemset then gemset else callPackage gemset { };
+  gemset' = if builtins.isAttrs gemset then gemset else import gemset;
 
   gemset'' = lib.flip lib.mapAttrs gemset' (name: attrs:
     if (lib.isDerivation attrs)

pkgs/development/interpreters/ruby/rubygems.nix

@@ -1,6 +1,6 @@
 args : with args; 
-rec {
 
+rec {
   name = "rubygems-" + version;
   version = "2.4.1";
   src = fetchurl {

pkgs/top-level/all-packages.nix

@@ -4030,7 +4030,10 @@ let
     wrapPython = pythonPackages.wrapPython;
   };
 
+  bundler = callPackage ../development/interpreters/ruby/bundler.nix { };
   gemFixes = callPackage ../development/interpreters/ruby/fixes.nix { };
+  buildRubyGem = callPackage ../development/interpreters/ruby/gem.nix { };
+  loadRubyEnv = callPackage ../development/interpreters/ruby/load-ruby-env.nix { };
 
   ruby_1_8_7 = callPackage ../development/interpreters/ruby/ruby-1.8.7.nix { };
   ruby_1_9_3 = callPackage ../development/interpreters/ruby/ruby-1.9.3.nix { };
@@ -4047,10 +4050,6 @@ let
   ruby_2_0 = ruby_2_0_0;
   ruby_2_1 = ruby_2_1_3;
 
-  loadRubyEnv = callPackage ../development/interpreters/ruby/load-ruby-env.nix { };
-
-  rubySqlite3 = callPackage ../development/ruby-modules/sqlite3 { };
-
   rubygemsFun = ruby: builderDefsPackage (import ../development/interpreters/ruby/rubygems.nix) {
     inherit ruby makeWrapper;
   };