Create custom field by copy (#34307).

Patch by Takenori TAKAKI.


git-svn-id: http://svn.redmine.org/redmine/trunk@20692 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/custom_fields_controller.rb

@@ -98,6 +98,9 @@ class CustomFieldsController < ApplicationController
     if @custom_field.nil?
       render :action => 'select_type'
     else
+      if params[:copy].present? && (@copy_from = CustomField.find_by(id: params[:copy]))
+        @custom_field.copy_from(@copy_from)
+      end
       @custom_field.safe_attributes = params[:custom_field]
     end
   end