Index: app/models/issue_relation.rb
===================================================================
--- app/models/issue_relation.rb	(revision 7630)
+++ app/models/issue_relation.rb	(working copy)
@@ -26,6 +26,8 @@
   TYPE_BLOCKED      = "blocked"
   TYPE_PRECEDES     = "precedes"
   TYPE_FOLLOWS      = "follows"
+  TYPE_COPIES       = "copied to"
+  TYPE_COPIED       = "copied from"
 
   TYPES = { TYPE_RELATES =>     { :name => :label_relates_to, :sym_name => :label_relates_to, :order => 1, :sym => TYPE_RELATES },
             TYPE_DUPLICATES =>  { :name => :label_duplicates, :sym_name => :label_duplicated_by, :order => 2, :sym => TYPE_DUPLICATED },
@@ -33,7 +35,9 @@
             TYPE_BLOCKS =>      { :name => :label_blocks, :sym_name => :label_blocked_by, :order => 4, :sym => TYPE_BLOCKED },
             TYPE_BLOCKED =>     { :name => :label_blocked_by, :sym_name => :label_blocks, :order => 5, :sym => TYPE_BLOCKS, :reverse => TYPE_BLOCKS },
             TYPE_PRECEDES =>    { :name => :label_precedes, :sym_name => :label_follows, :order => 6, :sym => TYPE_FOLLOWS },
-            TYPE_FOLLOWS =>     { :name => :label_follows, :sym_name => :label_precedes, :order => 7, :sym => TYPE_PRECEDES, :reverse => TYPE_PRECEDES }
+            TYPE_FOLLOWS =>     { :name => :label_follows, :sym_name => :label_precedes, :order => 7, :sym => TYPE_PRECEDES, :reverse => TYPE_PRECEDES },
+            TYPE_COPIES =>      { :name => :label_copied_to, :sym_name => :label_copied_from, :order => 8, :sym => TYPE_COPIED },
+            TYPE_COPIED =>      { :name => :label_copied_from, :sym_name => :label_copied_to, :order => 9, :sym => TYPE_COPIES, :reverse => TYPE_COPIES }
           }.freeze
 
   validates_presence_of :issue_from, :issue_to, :relation_type
Index: app/models/issue.rb
===================================================================
--- app/models/issue.rb	(revision 7630)
+++ app/models/issue.rb	(working copy)
@@ -208,6 +208,16 @@
           end
         end
       end
+      if options[:relation_type]
+        relation = IssueRelation.new(
+          :relation_type => options[:relation_type],
+          :issue_from => self,
+          :issue_to => issue)
+        unless relation.save
+          issue.destroy
+          return false
+        end
+      end
     else
       return false
     end
Index: app/controllers/issue_moves_controller.rb
===================================================================
--- app/controllers/issue_moves_controller.rb	(revision 7630)
+++ app/controllers/issue_moves_controller.rb	(working copy)
@@ -22,6 +22,9 @@
   before_filter :find_issues, :check_project_uniqueness
   before_filter :authorize
 
+  helper :issue_relations
+  include IssueRelationsHelper
+
   def new
     prepare_for_issue_move
     render :layout => false if request.xhr?
@@ -32,6 +35,7 @@
 
     if request.post?
       new_tracker = params[:new_tracker_id].blank? ? nil : @target_project.trackers.find_by_id(params[:new_tracker_id])
+      relation_type = params[:relation_type].blank? ? nil : params[:relation_type]
       unsaved_issue_ids = []
       moved_issues = []
       @issues.each do |issue|
@@ -39,7 +43,7 @@
         issue.init_journal(User.current)
         issue.current_journal.notes = @notes if @notes.present?
         call_hook(:controller_issues_move_before_save, { :params => params, :issue => issue, :target_project => @target_project, :copy => !!@copy })
-        if r = issue.move_to_project(@target_project, new_tracker, {:copy => @copy, :attributes => extract_changed_attributes_for_move(params)})
+        if r = issue.move_to_project(@target_project, new_tracker, {:copy => @copy, :relation_type => relation_type, :attributes => extract_changed_attributes_for_move(params)})
           moved_issues << r
         else
           unsaved_issue_ids << issue.id
Index: app/views/issue_moves/new.html.erb
===================================================================
--- app/views/issue_moves/new.html.erb	(revision 7630)
+++ app/views/issue_moves/new.html.erb	(working copy)
@@ -22,6 +22,14 @@
                                             :update => 'content',
                                             :with => "Form.serialize('move_form')") %></p>
 
+<% if @copy && (@project == @target_project || Setting.cross_project_issue_relations?) %>
+  <p>
+    <label for="relation_type"><%= l(:label_relation_new) %></label>
+    <%= select_tag('relation_type', content_tag('option', l(:label_none), :value => '') + 
+                                    options_for_select(collection_for_relation_type_select)) %>
+  </p>
+<% end %>
+
 <p><label for="new_tracker_id"><%=l(:field_tracker)%>:</label>
 <%= select_tag "new_tracker_id", "<option value=\"\">#{l(:label_no_change_option)}</option>" + options_from_collection_for_select(@trackers, "id", "name") %></p>
 
Index: config/locales/en.yml
===================================================================
--- config/locales/en.yml	(revision 7630)
+++ config/locales/en.yml	(working copy)
@@ -714,6 +714,8 @@
   label_blocked_by: blocked by
   label_precedes: precedes
   label_follows: follows
+  label_copied_to: copied to
+  label_copied_from: copied from
   label_end_to_start: end to start
   label_end_to_end: end to end
   label_start_to_start: start to start