X-Git-Url: http://gitweb.michael.orlitzky.com/?p=mailshears.git;a=blobdiff_plain;f=lib%2Fmv%2Fmv_plugin.rb;h=2ccb9a388572acedcb3dbb67bc36120f06381347;hp=76fad8395cf6454666d3caf1b3ed3e7401dce0cb;hb=e3826d8926e11763837a591986d453e9ef5d9dec;hpb=616d9c0f3260f4d8e9bf26140fa6032c3eabca8b

diff --git a/lib/mv/mv_plugin.rb b/lib/mv/mv_plugin.rb
index 76fad83..2ccb9a3 100644
--- a/lib/mv/mv_plugin.rb
+++ b/lib/mv/mv_plugin.rb
@@ -3,6 +3,18 @@ module MvPlugin
   # Plugins for moving (renaming) accounts.
   #
 
+  def MvPlugin.included(c)
+    # Callback, called whenever another class or module includes this
+    # one. The parameter given is the name of the class or module
+    # that included us.
+    @includers ||= []
+    @includers << c
+  end
+
+  def MvPlugin.includers
+    return @includers
+  end
+
   def mv_domain(from, to)
     # Rename the given domain.
     raise NotImplementedError