gistfile1.txt

require("rubygems")
require("sinatra")

gives me:

An exception occurred running /Users/backtype/projects/fancy/bin/fancy
    invalid identifier if_nil: (NameError)

Backtrace:
          { } in Object#DelegateClass at /Users/backtype/projects/rubinius/lib
                                         /delegate.rb:313
                            Array#each at kernel/bootstrap/array.rb:76
                 Object#DelegateClass at /Users/backtype/projects/rubinius/lib
                                         /delegate.rb:304
                    Object#__script__ at /Users/backtype/projects
                                                   /rubinius/lib/tempfile.rb:12
          Rubinius::CodeLoader.require at kernel/common/codeloader.rb:144
  Kernel(Object)#gem_original_require (require) at kernel/common/kernel.rb:783
               Kernel(Object)#require at /Users/backtype/projects/rubinius/lib
                                         /rubygems/custom_require.rb:29
                    Object#__script__ at /Users/backtype/projects
                                                   /rubinius/gems/1.8/gems
                                                   /rack-1.2.2/lib/rack
                                                   /utils.rb:5
          Rubinius::CodeLoader.require at kernel/common/codeloader.rb:144
  Kernel(Object)#gem_original_require (require) at kernel/common/kernel.rb:783
               Kernel(Object)#require at /Users/backtype/projects/rubinius/lib
                                         /rubygems/custom_require.rb:29
                    Object#__script__ at /Users/backtype/projects
                                                   /rubinius/gems/1.8/gems
                                                   /rack-1.2.2/lib/rack
                                                   /request.rb:1
          Rubinius::CodeLoader.require at kernel/common/codeloader.rb:144
  Kernel(Object)#gem_original_require (require) at kernel/common/kernel.rb:783
               Kernel(Object)#require at /Users/backtype/projects/rubinius/lib
                                         /rubygems/custom_require.rb:29
                    Object#__script__ at /Users/backtype/projects
                                                   /rubinius/gems/1.8/gems
                                                   /rack-1.2.2/lib/rack
                                                   /showexceptions.rb:3
          Rubinius::CodeLoader.require at kernel/common/codeloader.rb:144
  Kernel(Object)#gem_original_require (require) at kernel/common/kernel.rb:783
               Kernel(Object)#require at /Users/backtype/projects/rubinius/lib
                                         /rubygems/custom_require.rb:29
                    Object#__script__ at /Users/backtype/projects
                                                   /rubinius/gems/1.8/gems
                                                   /sinatra-1.2.3/lib/sinatra
                                                   /showexceptions.rb:1
          Rubinius::CodeLoader.require at kernel/common/codeloader.rb:144
  Kernel(Object)#gem_original_require (require) at kernel/common/kernel.rb:783
               Kernel(Object)#require at /Users/backtype/projects/rubinius/lib
                                         /rubygems/custom_require.rb:29
                    Object#__script__ at /Users/backtype/projects
                                                   /rubinius/gems/1.8/gems
                                                   /sinatra-1.2.3/lib/sinatra
                                                   /base.rb:6
          Rubinius::CodeLoader.require at kernel/common/codeloader.rb:144
  Kernel(Object)#gem_original_require (require) at kernel/common/kernel.rb:783
               Kernel(Object)#require at /Users/backtype/projects/rubinius/lib
                                         /rubygems/custom_require.rb:29
                    Object#__script__ at /Users/backtype/projects
                                                   /rubinius/gems/1.8/gems
                                                   /sinatra-1.2.3/lib
                                                   /sinatra.rb:4
          Rubinius::CodeLoader.require at kernel/common/codeloader.rb:144
  Kernel(Object)#gem_original_require (require) at kernel/common/kernel.rb:783
               Kernel(Object)#require at /Users/backtype/projects/rubinius/lib
                                         /rubygems/custom_require.rb:32
                       main.__script__ at lib/frack.fy:3
 { } in Fancy::CodeLoader.load_compiled_file:find_file: at /Users/backtype
                                                           /projects/fancy/lib
                                                           /rbx
                                                           /code_loader.fy:168
 { } in Rubinius::BlockEnvironment#Block at /Users/backtype/projects/fancy/boot
                                            /fancy_ext/block_env.rb:16
         Object(NilClass)#if_do:else: at /Users/backtype/projects/fancy/lib
                                         /object.fy:81
             Object(Class)#unless:do: at /Users/backtype/projects/fancy/lib
                                         /object.fy:163
 Fancy::CodeLoader.load_compiled_file:find_file: at /Users/backtype/projects
                                                    /fancy/lib/rbx
                                                    /code_loader.fy:173
 Fancy::CodeLoader.load_compiled_file: at /Users/backtype/projects/fancy/lib/rbx
                                          /code_loader.fy:134
               { } in main.__script__ at /Users/backtype/projects/fancy/lib
                                         /main.fy:83
 { } in Rubinius::BlockEnvironment#Block at /Users/backtype/projects/fancy/boot
                                            /fancy_ext/block_env.rb:16
                Object(String)#if_do: at /Users/backtype/projects/fancy/lib
                                         /object.fy:72
                      main.__script__ at /Users/backtype/projects/fancy/lib
                                         /main.fy:87
 { } in Fancy::CodeLoader.load_compiled_file:find_file: at /Users/backtype
                                                           /projects/fancy/lib
                                                           /rbx
                                                           /code_loader.fy:168
 { } in Rubinius::BlockEnvironment#Block at /Users/backtype/projects/fancy/boot
                                            /fancy_ext/block_env.rb:16
         Object(NilClass)#if_do:else: at /Users/backtype/projects/fancy/lib
                                         /object.fy:81
             Object(Class)#unless:do: at /Users/backtype/projects/fancy/lib
                                         /object.fy:163
 Fancy::CodeLoader.load_compiled_file:find_file: at /Users/backtype/projects
                                                    /fancy/lib/rbx
                                                    /code_loader.fy:173
  Fancy::CodeLoader.load_compiled_file (load_compiled_file:) at \
          /Users/backtype/projects/fancy/lib/rbx/code_loader.fy:134
                    Object#__script__ at /Users/backtype/projects
                                                   /fancy/bin/fancy:25
      Rubinius::CodeLoader#load_script at kernel/delta/codeloader.rb:65
      Rubinius::CodeLoader.load_script at kernel/delta/codeloader.rb:90
               Rubinius::Loader#script at kernel/loader.rb:591
                 Rubinius::Loader#main at kernel/loader.rb:721
                 Rubinius::Loader.main at kernel/loader.rb:760
                     Object#__script__ at kernel/loader.rb:771

gistfile2.txt

This is the line it fails at (rubinius/lib/delegate.rb):

  methods.each do |method|
    begin
      klass.module_eval <<-EOS
        def #{method}(*args, &block)
          @_dc_obj.__send__(:#{method}, *args, &block)
        end
      EOS
    rescue SyntaxError
      raise NameError, "invalid identifier #{method}"   # <-- here
    end
  end