Running compass unpack bootstrap fails

[bburton]

Running compass unpack bootstrap should unpack all files into ./extensions/bootstrap under the compass project root.

Steps to Reproduce

1. gem install bootstrap-sass
2. Add: require 'bootstrap-sass' to top of config.rb
3. mkdir extensions
4. Run compass frameworks to ensure bootstrap is listed
5. Attempt to unpack: compass unpack bootstrap

Expected Result

All bootstrap files extracted into ./extensions/bootstrap.

Actual Result

$ compass unpack bootstrap --trace

NoMethodError on line ["47"] of c: undefined method 'size' for nil:NilClass
  c:/Ruby192/lib/ruby/gems/1.9.1/gems/compass-0.11.7/lib/compass/commands/unpack_extension.rb:45:in 'each'
  c:/Ruby192/lib/ruby/gems/1.9.1/gems/compass-0.11.7/lib/compass/commands/unpack_extension.rb:45:in 'perform'
  c:/Ruby192/lib/ruby/gems/1.9.1/gems/compass-0.11.7/lib/compass/commands/base.rb:18:in 'execute'
  c:/Ruby192/lib/ruby/gems/1.9.1/gems/compass-0.11.7/lib/compass/commands/project_base.rb:19:in 'execute'
  c:/Ruby192/lib/ruby/gems/1.9.1/gems/compass-0.11.7/lib/compass/exec/sub_command_ui.rb:43:in 'perform!'
  c:/Ruby192/lib/ruby/gems/1.9.1/gems/compass-0.11.7/lib/compass/exec/sub_command_ui.rb:15:in 'run!'
  c:/Ruby192/lib/ruby/gems/1.9.1/gems/compass-0.11.7/bin/compass:25:in 'block in <top (required)>'
  c:/Ruby192/lib/ruby/gems/1.9.1/gems/compass-0.11.7/bin/compass:39:in 'call'
  c:/Ruby192/lib/ruby/gems/1.9.1/gems/compass-0.11.7/bin/compass:39:in '<top (required)>'
  c:/Ruby192/bin/compass:19:in 'load'
  c:/Ruby192/bin/compass:19:in '<main>'

Environment

• Msys Git on Windows 7
• ruby 1.9.2p180 (2011-02-18) [i386-mingw32]
• sass 3.1.15
• compass 0.11.7

[JohnAlbin]

I was getting this same error on my own Compass extension. The Compass docs for "Stylesheet and Template Locations" are not entirely correct: http://compass-style.org/help/tutorials/extensions/

The fix was to add :path to the Compass registration function. (i.e. add :path in addition to :stylesheets_directory and :templates_directory).