From 263d46713191adbae10839e25e9da11cfd6fb96b Mon Sep 17 00:00:00 2001
From: Michael Fellinger <m.fellinger@gmail.com>
Date: Sun, 17 Apr 2016 22:33:13 +0200
Subject: [PATCH] bundlerEnv: filter gemset groups

---
 .../ruby-modules/bundler-env/default.nix          | 15 +++++++++++----
 .../ruby-modules/bundler-env/gen-bin-stubs.rb     | 12 +++++++-----
 2 files changed, 18 insertions(+), 9 deletions(-)

diff --git a/pkgs/development/ruby-modules/bundler-env/default.nix b/pkgs/development/ruby-modules/bundler-env/default.nix
index 597acc25b30d..4ebba0d5b653 100644
--- a/pkgs/development/ruby-modules/bundler-env/default.nix
+++ b/pkgs/development/ruby-modules/bundler-env/default.nix
@@ -10,6 +10,7 @@
 , postBuild ? null
 , document ? []
 , meta ? {}
+, groups ? ["default"]
 , ignoreCollisions ? false
 , ...
 }@args:
@@ -18,14 +19,19 @@ let
 
   shellEscape = x: "'${lib.replaceChars ["'"] [("'\\'" + "'")] x}'";
   importedGemset = import gemset;
+  filteredGemset = (lib.filterAttrs (name: attrs:
+    if (builtins.hasAttr "groups" attrs)
+    then (builtins.any (gemGroup: builtins.any (group: group == gemGroup) groups) attrs.groups)
+    else true
+  ) importedGemset);
   applyGemConfigs = attrs:
     (if gemConfig ? "${attrs.gemName}"
     then attrs // gemConfig."${attrs.gemName}" attrs
     else attrs);
-  configuredGemset = lib.flip lib.mapAttrs importedGemset (name: attrs:
-    applyGemConfigs (attrs // { gemName = name; })
+  configuredGemset = lib.flip lib.mapAttrs filteredGemset (name: attrs:
+    applyGemConfigs (attrs // { inherit ruby; gemName = name; })
   );
-  hasBundler = builtins.hasAttr "bundler" importedGemset;
+  hasBundler = builtins.hasAttr "bundler" filteredGemset;
   bundler = if hasBundler then gems.bundler else defs.bundler.override (attrs: { inherit ruby; });
   gems = lib.flip lib.mapAttrs configuredGemset (name: attrs:
     buildRubyGem ((removeAttrs attrs ["source"]) // attrs.source // {
@@ -52,7 +58,8 @@ let
         "${confFiles}/Gemfile" \
         "$out/${ruby.gemPath}" \
         "${bundler}/${ruby.gemPath}" \
-        ${shellEscape (toString envPaths)}
+        ${shellEscape (toString envPaths)} \
+        ${shellEscape (toString groups)}
     '' + lib.optionalString (postBuild != null) postBuild;
     passthru = rec {
       inherit ruby bundler meta gems;
diff --git a/pkgs/development/ruby-modules/bundler-env/gen-bin-stubs.rb b/pkgs/development/ruby-modules/bundler-env/gen-bin-stubs.rb
index 8609a863e50e..92321d6427dc 100644
--- a/pkgs/development/ruby-modules/bundler-env/gen-bin-stubs.rb
+++ b/pkgs/development/ruby-modules/bundler-env/gen-bin-stubs.rb
@@ -10,6 +10,7 @@ gemfile = ARGV[1]
 bundle_path = ARGV[2]
 bundler_gem_path = ARGV[3]
 paths = ARGV[4].split
+groups = ARGV[5].split
 
 # generate binstubs
 FileUtils.mkdir_p("#{out}/bin")
@@ -29,15 +30,16 @@ paths.each do |path|
 # this file is here to facilitate running it.
 #
 
-ENV["BUNDLE_GEMFILE"] = "#{gemfile}"
-ENV["BUNDLE_PATH"] = "#{bundle_path}"
+ENV["BUNDLE_GEMFILE"] = #{gemfile.dump}
+ENV["BUNDLE_PATH"] = #{bundle_path.dump}
 ENV['BUNDLE_FROZEN'] = '1'
 
-Gem.use_paths("#{bundler_gem_path}", ENV["GEM_PATH"])
+Gem.use_paths(#{bundler_gem_path.dump}, ENV["GEM_PATH"])
 
-require 'bundler/setup'
+require 'bundler'
+Bundler.setup(#{groups.map(&:dump).join(', ')})
 
-load Gem.bin_path(#{name.inspect}, #{exe.inspect})
+load Gem.bin_path(#{name.dump}, #{exe.dump})
 EOF
       FileUtils.chmod("+x", "#{out}/bin/#{exe}")
     end