Fixes on checkin for bug 769134

Bugzilla/Bug.pm

@@ -2508,6 +2508,7 @@ sub _set_product {
             my @idlist = ($self->id);
             push(@idlist, map {$_->id} @{ $params->{other_bugs} })
                 if $params->{other_bugs};
+            @idlist = uniq @idlist;
             # Get the ID of groups which are no longer valid in the new product.
             my $gids = $dbh->selectcol_arrayref(
                 'SELECT bgm.group_id
@@ -2526,7 +2527,7 @@ sub _set_product {
 
             # Did we come here from editing multiple bugs? (affects how we
             # show optional group changes)
-            $vars{multiple_bugs} = Bugzilla->cgi->param('id') ? 0 : 1;
+            $vars{multiple_bugs} = (@idlist > 1) ? 1 : 0;
         }
 
         if (%vars) {

template/en/default/bug/process/verify-new-product.html.tmpl

@@ -141,7 +141,6 @@
     <p>These groups are optional. You can decide to restrict [% terms.bugs %] to
     one or more of the following groups:<br>
     [% IF multiple_bugs %]
-      [% USE Bugzilla %]
       <script type="text/javascript">
         function turn_off(myself, id) {
             var other_checkbox = document.getElementById(id);
@@ -164,24 +163,21 @@
             <input type="checkbox" name="defined_groups"
                    id="defined_group_[% group.group.id FILTER html %]"
                    value="[% group.group.name FILTER html %]"
-                   [% IF Bugzilla.cgi.param("defined_groups").contains(group.group.name) %] checked="checked"[% END %]
+                   [% IF cgi.param("defined_groups").contains(group.group.name) %] checked="checked"[% END %]
                    onchange="turn_off(this, 'group_[% group.group.id FILTER html %]')">
           </td>
           <td align="center">
             <input type="checkbox" name="groups"
                    id="group_[% group.group.id FILTER html %]"
                    value="[% group.group.name FILTER html %]"
-                   [% IF Bugzilla.cgi.param("groups").contains(group.group.name) %] checked="checked"[% END %]
+                   [% IF cgi.param("groups").contains(group.group.name) %] checked="checked"[% END %]
                    onchange="turn_off(this, 'defined_group_[% group.group.id FILTER html %]')">
           </td>
-
           <td>
             [% group.group.description FILTER html %]
           </td>
-
         </tr>
         [% END %]
-
       </table>
     [% ELSE %]
       [% FOREACH group = optional_groups %]