Fixed that SCM selection is not saved when all SCM are disabled (#9937).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@8568 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/settings/_repositories.html.erb

@@ -1,6 +1,7 @@
 <% form_tag({:action => 'edit', :tab => 'repositories'}) do %>
 
 <fieldset class="box settings enabled_scm">
+<%= hidden_field_tag 'settings[enabled_scm][]', '' %>
 <legend><%= l(:setting_enabled_scm) %></legend>
 <table>
   <tr>

test/functional/settings_controller_test.rb

@@ -42,6 +42,8 @@ class SettingsControllerTest < ActionController::TestCase
     get :edit
     assert_response :success
     assert_template 'edit'
+
+    assert_tag 'input', :attributes => {:name => 'settings[enabled_scm][]', :value => ''}
   end
 
   def test_post_edit_notifications