Rails - Feb 2010 - Rails Edge: gem bundle error

Hi.

Having installed Ruby 1.9 from source, I decided to have a look at
Rails3 aka Rails edge from git. Therefore, I followed wycats
instructions (http://weblog.rubyonrails.org/2010/1/1/getting-a-new-app-
running-on-edge), but keep getting an error related to Bundler:

$ sudo gem bundle --backtrace
ERROR:  While executing gem ... (NoMethodError)
    undefined method `path'' for #<Bundler::Dsl:0x9583f20>
	/opt/src/rails/Gemfile:1:in `evaluate''
	/opt/ruby1.9/lib/ruby1.9/gems/1.9.1/gems/bundler-0.8.1/lib/bundler/
dsl.rb:9:in `instance_eval''
	/opt/ruby1.9/lib/ruby1.9/gems/1.9.1/gems/bundler-0.8.1/lib/bundler/
dsl.rb:9:in `evaluate''
	/opt/ruby1.9/lib/ruby1.9/gems/1.9.1/gems/bundler-0.8.1/lib/bundler/
bundle.rb:33:in `initialize''
	/opt/ruby1.9/lib/ruby1.9/gems/1.9.1/gems/bundler-0.8.1/lib/bundler/
bundle.rb:14:in `new''
	/opt/ruby1.9/lib/ruby1.9/gems/1.9.1/gems/bundler-0.8.1/lib/bundler/
bundle.rb:14:in `load''
	/opt/ruby1.9/lib/ruby1.9/gems/1.9.1/gems/bundler-0.8.1/lib/bundler/
cli.rb:36:in `initialize''
	/opt/ruby1.9/lib/ruby1.9/gems/1.9.1/gems/bundler-0.8.1/lib/bundler/
cli.rb:6:in `new''
	/opt/ruby1.9/lib/ruby1.9/gems/1.9.1/gems/bundler-0.8.1/lib/bundler/
cli.rb:6:in `run''
	/opt/ruby1.9/lib/ruby1.9/gems/1.9.1/gems/bundler-0.8.1/lib/bundler/
commands/bundle_command.rb:68:in `execute''
	/opt/ruby1.9/lib/ruby1.9/gems/1.9.1/gems/rubygems-update-1.3.5/lib/
rubygems/command.rb:257:in `invoke''
	/opt/ruby1.9/lib/ruby1.9/gems/1.9.1/gems/rubygems-update-1.3.5/lib/
rubygems/command_manager.rb:132:in `process_args''
	/opt/ruby1.9/lib/ruby1.9/gems/1.9.1/gems/rubygems-update-1.3.5/lib/
rubygems/command_manager.rb:102:in `run''
	/opt/ruby1.9/lib/ruby1.9/gems/1.9.1/gems/rubygems-update-1.3.5/lib/
rubygems/gem_runner.rb:58:in `run''
	/usr/local/bin/gem:21:in `<main>''

Ruby''s fine:

$ ruby -v
ruby 1.9.1p376 (2009-12-07 revision 26041) [i686-linux]

Rubygem configuration is that of a mint installation of Ruby 1.9
(gemcutter gem is installed):

$ gem env
RubyGems Environment:
  - RUBYGEMS VERSION: 1.3.5
  - RUBY VERSION: 1.9.1 (2009-12-07 patchlevel 376) [i686-linux]
  - INSTALLATION DIRECTORY: /opt/ruby1.9/lib/ruby1.9/gems/1.9.1
  - RUBYGEMS PREFIX: /opt/ruby1.9/lib/ruby1.9/gems/1.9.1/gems/rubygems-
update-1.3.5
  - RUBY EXECUTABLE: /opt/ruby1.9/bin/ruby1.9
  - EXECUTABLE DIRECTORY: /opt/ruby1.9/bin
  - RUBYGEMS PLATFORMS:
    - ruby
    - x86-linux
  - GEM PATHS:
     - /opt/ruby1.9/lib/ruby1.9/gems/1.9.1
     - /home/jd/.gem/ruby/1.9.1
  - GEM CONFIGURATION:
     - :update_sources => true
     - :verbose => true
     - :benchmark => false
     - :backtrace => false
     - :bulk_threshold => 1000
     - "install" => "-B 10"
     - :sources => ["http://gems.rubyforge.org/", "http://
gems.github.com", "http://gems.rubyforge.org/"]
     - "update" => "-B 10"
  - REMOTE SOURCES:
     - http://gems.rubyforge.org/
     - http://gems.github.com
     - http://gems.rubyforge.org/

Does anyone has a hint on this?

Thank you!

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The fix was quicker than I expected :)

Bundler has been revamped as a binary, so wycats instructions are
invalid now.

To get rails edge rolling, one must do :
(sudo) gem uninstall bundler
(sudo) gem install bundler --prerelease
cd to/your/rails/app/
bundle install

More information: http://github.com/carlhuda/bundler/issues/#issue/1

I let a comment on the Rails blog as well.

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More information about the new structure of Bundler:
http://yehudakatz.com/2010/02/01/bundler-0-9-heading-toward-1-0/

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For the sake of information (maybe it''ll be useful to some of you
lurking for information on Rails 3 but following neither the commits
or rubyonrails-core mailing list), note that Rails edge does not have
a script/* structure anymore. The new way to go is to use the rails
command provided as script/rails (the main rails system command
eventually aliases to it) and some arguments (generate, server, etc.).

Say, if one wants to launch WEBRick or Mongrel : ruby rails server --
env PRODUCTION

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