fix compatibility with subclasses that override apply_single_role_to_package

diff --git a/lib/Role/Tiny.pm b/lib/Role/Tiny.pm
index 78147a5..4de4f33 100644 (file)
--- a/lib/Role/Tiny.pm
+++ b/lib/Role/Tiny.pm
@@ -79,6 +79,7 @@ sub role_application_steps {
 
 sub apply_single_role_to_package {
   my ($me, $to, $role) = @_;
+  return if our $SKIP_APPLY;
 
   _load_module($role);
 
@@ -200,6 +201,12 @@ sub apply_roles_to_package {
       $me->$step($to, $role);
     }
   }
+  # backcompat: allow subclasses to use apply_single_role_to_package
+  # to apply changes.  set a local var so ours does nothing.
+  local our $SKIP_APPLY = 1;
+  foreach my $role (@roles) {
+    $me->apply_single_role_to_package($to, $role);
+  }
   $APPLIED_TO{$to}{join('|',@roles)} = 1;
 }