Bug 271913: Don't force the user to comment when adding Hours Worked

Bugzilla/Bug.pm

@@ -2407,11 +2407,7 @@ sub add_comment {
     $comment = $self->_check_comment($comment);
 
     $params ||= {};
-    if (exists $params->{work_time}) {
-        $params->{work_time} = $self->_check_work_time($params->{work_time});
-        ThrowUserError('comment_required')
-            if $comment eq '' && $params->{work_time} != 0;
-    }
+    $params->{work_time} = $self->_check_work_time($params->{work_time});
     if (exists $params->{type}) {
         $params->{type} = $self->_check_comment_type($params->{type});
     }
@@ -2421,7 +2417,7 @@ sub add_comment {
     }
     # XXX We really should check extra_data, too.
 
-    if ($comment eq '' && !($params->{type} || $params->{work_time})) {
+    if ($comment eq '' && !($params->{type} || abs($params->{work_time}))) {
         return;
     }
 

template/en/default/bug/comments.html.tmpl

@@ -89,6 +89,7 @@
 
 [% BLOCK a_comment %]
   [% RETURN IF comment.is_private AND ! user.is_insider %]
+  [% RETURN IF comment.body == '' AND comment.work_time != 0 AND !user.is_timetracker %]
 
     <div id="c[% count %]" class="bz_comment[% " bz_private" IF comment.is_private %]
                 [% " bz_comment_hilite" IF marks.$count %]