Plugins can register providers for global settings

lib/plugin_gem.rb

@@ -0,0 +1,27 @@
+module PluginGem
+  def self.load(path, name, version, opts=nil)
+    opts ||= {}
+
+    gems_path = File.dirname(path) + "/gems/#{RUBY_VERSION}"
+    spec_path = gems_path + "/specifications"
+    spec_file = spec_path + "/#{name}-#{version}.gemspec"
+    unless File.exists? spec_file
+      command = "gem install #{name} -v #{version} -i #{gems_path} --no-document --ignore-dependencies"
+      if opts[:source]
+        command << " --source #{opts[:source]}"
+      end
+      puts command
+      puts `#{command}`
+    end
+    if File.exists? spec_file
+      spec = Gem::Specification.load spec_file
+      spec.activate
+      unless opts[:require] == false
+        require opts[:require_name] ? opts[:require_name] : name
+      end
+    else
+      puts "You are specifying the gem #{name} in #{path}, however it does not exist!"
+      exit(-1)
+    end
+  end
+end