redmine/app/views/projects/copy.html.erb

<h2><%=l(:label_project_new)%></h2>

<%= labelled_form_for @project, :url => { :action => "copy" } do |f| %>
<%= render :partial => 'form', :locals => { :f => f } %>

<fieldset class="box tabular"><legend><%= toggle_checkboxes_link('.box input[type="checkbox"][name="only[]"]') %><%= l(:button_copy) %></legend>
  <label class="block"><%= check_box_tag 'only[]', 'members', true, :id => nil %> <%= l(:label_member_plural) %> (<%= @source_project.members.count %>)</label>
  <label class="block"><%= check_box_tag 'only[]', 'versions', true, :id => nil %> <%= l(:label_version_and_files, @source_project.versions.count) %></label>
  <label class="block"><%= check_box_tag 'only[]', 'issue_categories', true, :id => nil %> <%= l(:label_issue_category_plural) %> (<%= @source_project.issue_categories.count %>)</label>
  <label class="block"><%= check_box_tag 'only[]', 'issues', true, :id => nil %> <%= l(:label_issue_plural) %> (<%= @source_project.issues.count %>)</label>
  <label class="block"><%= check_box_tag 'only[]', 'queries', true, :id => nil %> <%= l(:label_query_plural) %> (<%= @source_project.queries.count %>)</label>
  <label class="block"><%= check_box_tag 'only[]', 'documents', true, :id => nil %> <%= l(:label_document_plural) %> (<%= @source_project.documents.count %>)</label>
  <label class="block"><%= check_box_tag 'only[]', 'boards', true, :id => nil %> <%= l(:label_board_plural) %> (<%= @source_project.boards.count %>)</label>
  <label class="block"><%= check_box_tag 'only[]', 'wiki', true, :id => nil %> <%= l(:label_wiki_page_plural) %> (<%= @source_project.wiki.nil? ? 0 : @source_project.wiki.pages.count %>)</label>
  <%= call_hook :view_projects_copy_only_items, project: @source_project, f: f  %>
  <%= hidden_field_tag 'only[]', '' %>
  <br />
  <label class="block"><%= check_box_tag 'notifications', 1, params[:notifications] %> <%= l(:label_project_copy_notifications) %></label>
</fieldset>

<% @project.tracker_ids.each do |tracker_id| %>
  <%= hidden_field_tag 'project[tracker_ids][]', tracker_id %>
<% end %>

<% @project.issue_custom_field_ids.each do |issue_custom_field_id| %>
  <%= hidden_field_tag 'project[issue_custom_field_ids][]', issue_custom_field_id %>
<% end %>

<%= submit_tag l(:button_copy) %>
<% end %>