1 files changed, 32 insertions, 0 deletions
diff --git a/lib/chef/mixin/provides.rb b/lib/chef/mixin/provides.rb
new file mode 100644
index 0000000000..e5bb2c2005
--- /dev/null
+++ b/lib/chef/mixin/provides.rb
@@ -0,0 +1,32 @@
+
+require 'chef/mixin/descendants_tracker'
+
+class Chef
+  module Mixin
+    module Provides
+      include Chef::Mixin::DescendantsTracker
+
+      def node_map
+        @node_map ||= Chef::NodeMap.new
+      end
+
+      def provides(short_name, opts={}, &block)
+        if !short_name.kind_of?(Symbol)
+          # YAGNI: this is probably completely unnecessary and can be removed?
+          Chef::Log.deprecation "Passing a non-Symbol to Chef::Resource#provides will be removed"
+          if short_name.kind_of?(String)
+            short_name.downcase!
+            short_name.gsub!(/\s/, "_")
+          end
+          short_name = short_name.to_sym
+        end
+        node_map.set(short_name, true, opts, &block)
+      end
+
+      # provides a node on the resource (early binding)
+      def provides?(node, resource_name)
+        node_map.get(node, resource_name)
+      end
+    end
+  end
+end