Add a "bug" argument to the bugmail_recipients hook that was just checked in.

Bugzilla/BugMail.pm

@@ -428,7 +428,7 @@ sub Send {
     }
 
     Bugzilla::Hook::process('bugmail_recipients',
-                            { recipients => \%recipients });
+                            { bug => $bug, recipients => \%recipients });
     
     # Find all those user-watching anyone on the current list, who is not
     # on it already themselves.

Bugzilla/Hook.pm

@@ -374,6 +374,10 @@ Params:
 
 =over
 
+=item C<bug>
+
+The L<Bugzilla::Bug> that bugmail is being sent about.
+
 =item C<recipients>
 
 This is a hashref. The keys are numeric user ids from the C<profiles>

extensions/Example/Extension.pm

@@ -191,10 +191,14 @@ sub buglist_columns {
 
 sub bugmail_recipients {
     my ($self, $args) = @_;
-    my $recipients = $args->{'recipients'};
-    # Uncomment the below line to add the first user in the Bugzilla database
-    # to every bugmail as though he/she were a CC.
-    #$recipients->{1}->{+REL_CC} = 1;
+    my $recipients = $args->{recipients};
+    my $bug = $args->{bug};
+    if ($bug->id == 1) {
+        # Uncomment the line below to add the second user in the Bugzilla
+        # database to the recipients list of every bugmail sent out about
+        # bug 1 as though that user were on the CC list.
+        #$recipients->{2}->{+REL_CC} = 1;
+    }
 }
 
 sub colchange_columns {