[Catalyst] setup() called twice

[Matt S Trout]

On Mon, Jun 18, 2007 at 11:50:06AM -0700, Quinn Weaver wrote:
> Hi, all,
> 
> During some debugging, I noticed that MyApp::setup is called twice.
> This looks like an intentional feature.  My question is, why?
> 
> From MyApp.pm:
> 
>    my $ret = $self->SUPER::setup( @_ );
> 
> From Catalyst.pm:  
> 
>     # Call plugins setup
>     {
>         no warnings qw/redefine/;
>         local *setup = sub { };
>         $class->setup;
>     }
> 
> Yep, the latter code locally redefines the parent class setup to a
> no-op in order to prevent an infinite loop, then calls the child class
> (MyApp) setup.  The effect is that every line in MyApp::setup is
> executed twice.

No it isn't. The redefine means it -isn't- called a second time.

But all the plugins' setup() methods (which weren't in @ISA when setup was
first called) -are- called.

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