[jc@macbookpro ~/Merb/whitelabel_classifieds]# thor merb:gem:installBeginning transaction
Installing merb_has_flash-1.0
Installing merb-auth-1.0.5
Installing highline-1.5.0
Installing diff-lcs-1.1.2
Installing templater-0.4.0
Installing merb-gen-1.0.5
Installing merb-more-1.0.5
Installing do_sqlite3-0.9.9
Building native extensions.  This could take a while...
Installing randexp-0.1.4
Installing dm-sweatshop-0.9.8
Installing merb-1.0.5
Installing merb_app_config-1.0
Installing merb_viewfu-0.3
Installing will_paginate-3.0.0
Installing merb_comatose-0.0.1
Installing dm-paperclip-2.1.4
/Library/Ruby/Site/1.8/rubygems/uninstaller.rb:61:in `uninstall': Unknown gem  >= 0 (Gem::InstallError)
	from /Users/jc/Merb/whitelabel_classifieds/tasks/merb.thor/main.thor:142:in `install'
	from /Users/jc/Merb/whitelabel_classifieds/tasks/merb.thor/main.thor:132:in `each'
	from /Users/jc/Merb/whitelabel_classifieds/tasks/merb.thor/main.thor:132:in `install'
	from /Library/Ruby/Gems/1.8/gems/thor-0.9.9/lib/thor/task.rb:27:in `send'
	from /Library/Ruby/Gems/1.8/gems/thor-0.9.9/lib/thor/task.rb:27:in `run'
	from /Library/Ruby/Gems/1.8/gems/thor-0.9.9/lib/thor/task.rb:20:in `parse'
	from /Library/Ruby/Gems/1.8/gems/thor-0.9.9/lib/thor/runner.rb:155:in `method_missing'
	from /Library/Ruby/Gems/1.8/gems/thor-0.9.9/lib/thor/task.rb:27:in `send'
	from /Library/Ruby/Gems/1.8/gems/thor-0.9.9/lib/thor/task.rb:27:in `run'
	from /Library/Ruby/Gems/1.8/gems/thor-0.9.9/lib/thor/task.rb:20:in `parse'
	from /Library/Ruby/Gems/1.8/gems/thor-0.9.9/lib/thor.rb:78:in `start'
	from /Library/Ruby/Gems/1.8/gems/thor-0.9.9/bin/thor:7
	from /usr/bin/thor:19:in `load'
	from /usr/bin/thor:19