pry debugging

gistfile1.txt

From: /home/jakub/.rvm/gems/ruby-2.0.0-p247@objednavky/gems/devise-3.1.1/lib/devise/controllers/helpers.rb @ line 254 Devise::Controllers::Helpers#sign_in_and_redirect:

    252: def sign_in_and_redirect(resource_or_scope, *args)
    253:   options  = args.extract_options!
 => 254:   scope    = Devise::Mapping.find_scope!(resource_or_scope)
    255:   resource = args.last || resource_or_scope
    256:   sign_in(scope, resource, options)
    257:   redirect_to after_sign_in_path_for(resource)
    258: end

[17] pry(#<SessionsController>)> next

From: /home/jakub/.rvm/gems/ruby-2.0.0-p247@objednavky/gems/devise-3.1.1/lib/devise/mapping.rb @ line 33 Devise::Mapping.find_scope!:

    32: def self.find_scope!(obj)
 => 33:   case obj
    34:   when String, Symbol
    35:     return obj
    36:   when Class
    37:     Devise.mappings.each_value { |m| return m.name if obj <= m.to }
    38:   else
    39:     Devise.mappings.each_value { |m| return m.name if obj.is_a?(m.to) }
    40:   end
    41: 
    42:   raise "Could not find a valid mapping for #{obj.inspect}"
    43: end

[18] pry(Devise::Mapping)> show-stack 
No caller stack available!