Merge pull request #229 from opscode/sersut/rubygems-cust-fix

Preserve the old style rubygems customization for non-windows platforms.

config/software/rubygems-customization.rb

@@ -44,7 +44,11 @@
   sitelibdir_cmd.gsub!('/', '\\') if platform == "windows"
 
   block do
-    source_customization_file = File.join(project.files_path, "rubygems_customization", "operating_system.rb")
+    source_customization_file = if platform == 'windows'
+      File.join(project.files_path, "rubygems_customization", "windows", "operating_system.rb")
+    else
+      File.join(project.files_path, "rubygems_customization", "default", "operating_system.rb")
+    end
     embedded_ruby_site_dir = ""
     Bundler.with_clean_env do
       embedded_ruby_site_dir = %x{#{sitelibdir_cmd}}.strip
@@ -64,4 +68,3 @@
     FileUtils.cp source_customization_file, destination
   end
 end
-

files/rubygems_customization/default/operating_system.rb

@@ -0,0 +1,22 @@
+## Rubygems Customization ##
+# Customize rubygems install behavior and locations to keep user gems isolated
+# from the stuff we bundle with omnibus and any other ruby installations on the
+# system.
+
+# Always install and update new gems in "user install mode"
+Gem::ConfigFile::OPERATING_SYSTEM_DEFAULTS["install"] = "--user"
+Gem::ConfigFile::OPERATING_SYSTEM_DEFAULTS["update"] = "--user"
+
+module Gem
+
+  ##
+  # Override user_dir to live inside of ~/.chefdk
+
+  def self.user_dir
+    parts = [Gem.user_home, '.chefdk', 'gem', ruby_engine]
+    parts << RbConfig::CONFIG['ruby_version'] unless RbConfig::CONFIG['ruby_version'].empty?
+    File.join parts
+  end
+
+end
+