From mboxrd@z Thu Jan  1 00:00:00 1970
From: rgh@roughage.com.au (Richard Heycock)
Date: Thu, 19 Jun 2008 08:21:06 +1000
Subject: [sup-talk] [PATCH] respond_to? needs include_private argument
In-Reply-To: <1213819628-sup-7961@jobim>
References: <1213819628-sup-7961@jobim>
Message-ID: <1213827628-sup-9329@wrasse>

Are you using ruby 1.8.7? I found this.

rgh

Excerpts from Decklin Foster's message of Thu Jun 19 06:25:56 +1000 2008:
> Sup started mysteriously bailing out on me today after an apt-get
> update with stuff like this:
> 
> --- ArgumentError from thread: main
> wrong number of arguments (2 for 1)
> /usr/lib/ruby/1.8/sup/index.rb:424:in `respond_to?'
> /usr/lib/ruby/1.8/sup/index.rb:424:in `flatten'
> /usr/lib/ruby/1.8/sup/index.rb:424:in `load_sources'
> /usr/lib/ruby/1.8/sup/index.rb:108:in `load'
> /usr/lib/ruby/1.8/sup/util.rb:497:in `send'
> /usr/lib/ruby/1.8/sup/util.rb:497:in `method_missing'
> /usr/bin/sup:122
> 
> I did some digging and it seems like when Array#flatten, in attempting
> to figure out if it can flatten some list element recursively, sends
> it :respond_to? with both arguments -- I didn't even know there was a
> second one (defaults to false; see docs). But this only happened recently
> or something.
> 
> Here's somewhere else this came up:
> http://www.ruby-forum.com/topic/154938
> 
> So, the fix is exactly the same. Should work fine on old Ruby as well.
> Weep for our poor one-liner methods; they just weren't cut out for this
> harsh world...
> 
> Also: Hi everyone. I am the future Debian maintainer of sup.
> 
> ---
>  lib/sup/util.rb |    8 ++++++--
>  1 files changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/lib/sup/util.rb b/lib/sup/util.rb
> index ceaf0b8..9909022 100644
> --- a/lib/sup/util.rb
> +++ b/lib/sup/util.rb
> @@ -108,7 +108,9 @@ class Module
>    def defer_all_other_method_calls_to obj
>      class_eval %{
>        def method_missing meth, *a, &b; @#{obj}.send meth, *a, &b; end
> -      def respond_to? meth; @#{obj}.respond_to?(meth); end
> +      def respond_to?(m, include_private = false)
> +        @#{obj}.respond_to?(m, include_private)
> +      end
>      }
>    end
>  end
> @@ -527,7 +529,9 @@ class Recoverable
>    def to_yaml x; __pass :to_yaml, x; end
>    def is_a? c; @o.is_a? c; end
>  
> -  def respond_to? m; @o.respond_to? m end
> +  def respond_to?(m, include_private=false)
> +    @o.respond_to?(m, include_private)
> +  end
>  
>    def __pass m, *a, &b
>      begin

-- 
+61 (0) 410 646 369
[e]:  rgh at neoss.com.au
[im]: rgh at jabber.org

You're worried criminals will continue to penetrate into cyberspace, and
I'm worried complexity, poor design and mismanagement will be there to meet
them - Marcus Ranum