#320 BlueCloth, markdown(), config.gem, unpack gem and Rails 2.1 not working properly? - Ruby on Rails

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#320 ✓resolved

BlueCloth, markdown(), config.gem, unpack gem and Rails 2.1 not working properly?

Reported by Jon Buda | June 3rd, 2008 @ 06:36 PM

I've been using Edge Rails for awhile and 2.1 as of today and I've noticed something really weird going on with the BlueCloth gem while trying to unpack it into the vendor/gems dir using the new gem dependency stuff in 2.1 so that I can deploy my app without having to install the BlueCloth gem.

For easy of deployment, I'm trying to vendor all my gems. So I install the BlueCloth gem locally, then in my environment.rb I have the line:

config.gem 'BlueCloth', :lib => "bluecloth", :version => '1.0.0'

Simple enough. Then I do 'rake gems:unpack:dependencies' to unpack BlueCloth into 'vendor/gems/BlueCloth-1.0.0'. Seems to work fine. Now if I uninstall the local gem 'sudo gem uninstall BlueCloth' and run my rails app, the 'markdown()' helper method is no longer found. So in my views, this no longer works:

<%= markdown sometext.body %>

However, this does work in my views:

<%= BlueCloth::new(sometext.body).to_html %>

So I know the gem is being loaded from the vendor/gems dir. Is this a bug in the Rails code or am I doing something wrong here?

I've looked at the source code (line 253 in text_helper.rb) for the 'markdown' helper and it contains the line:

require_library_or_gem "bluecloth" unless Object.const_defined?(:BlueCloth)

After which it defines the 'markdown()' which apparently isn't being defined in my case...

If I try 'Object.const_defined?(:BlueCloth)' from script/console it returns true

Is text_helper.rb trying to define the markdown method before the gem is loaded from vendor/gems?

Comments and changes to this ticket

DHH June 3rd, 2008 @ 06:39 PM
- Assigned user set to “Rick”
Rick June 8th, 2008 @ 07:31 PM
- State changed from “new” to “verified”
I simply modified the rails initializer so that the gem load paths are added before the rails framework is loaded. This should solve the issue. Please try with my rails fork and let me know if it works for you.
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Jon Buda June 9th, 2008 @ 04:23 PM
Rick,
Looks like that did the trick. Thanks for looking into it. This should find its way into the next stable release?
Repository June 19th, 2008 @ 06:01 PM
- State changed from “verified” to “resolved”
(from [51e4106dcc58e5218e8b297ad870a063b7bb1ab8]) Add the gem load paths before the framework is loaded, so certain gems like RedCloth and BlueCloth can be frozen. [#320 state:resolved]
http://github.com/rails/rails/co...
Repository June 19th, 2008 @ 06:12 PM
(from [924244bf5cfb3d359fbc58d935d33adebf571fd6]) Add the gem load paths before the framework is loaded, so certain gems like RedCloth and BlueCloth can be frozen. [#320 state:resolved]
http://github.com/rails/rails/co...
Aditya Sanghi October 12th, 2010 @ 10:16 AM
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Ryan Bigg October 13th, 2010 @ 06:25 AM
Automatic cleanup of spam.