permission issues on Merb 1.0.5

gistfile1.txt

[jc@macbookpro ~/Merb/whitelabel_classifieds]# rm -Rf .original_gems/
[jc@macbookpro ~/Merb/whitelabel_classifieds]# thor merb:gem:install
Beginning transaction
/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
[jc@macbookpro ~/Merb/whitelabel_classifieds]# thor merb:gem:install
Beginning transaction
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/fileutils.rb:1262:in `initialize': Permission denied - /Users/jc/Merb/whitelabel_classifieds/.original_gems/gems/gems/ParseTree-3.0.2/.autotest (Errno::EACCES)
	from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/fileutils.rb:1262:in `open'
	from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/fileutils.rb:1262:in `copy_file'
	from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/fileutils.rb:1261:in `open'
	from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/fileutils.rb:1261:in `copy_file'
	from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/fileutils.rb:1231:in `copy'
	from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/fileutils.rb:451:in `copy_entry'
	from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/fileutils.rb:1324:in `traverse'
	from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/fileutils.rb:448:in `copy_entry'
	 ... 14 levels...
	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
[jc@macbookpro ~/Merb/whitelabel_classifieds]#