    # File lib/chef/knife/cookbook_site_unshare.rb, line 33
          def run
            @cookbook_name = @name_args[0]
            if @cookbook_name.nil?
              show_usage
              ui.fatal "You must provide the name of the cookbook to unshare"
              exit 1
            end

            confirm "Do you really want to unshare the cookbook #{@cookbook_name}"

            begin
              rest.delete_rest "http://cookbooks.opscode.com/api/v1/cookbooks/#{@name_args[0]}"
            rescue Net::HTTPServerException => e
              raise e unless e.message =~ /Forbidden/
              ui.error "Forbidden: You must be the maintainer of #{@cookbook_name} to unshare it."
              exit 1
            end

            ui.info "Unshared cookbook #{@cookbook_name}"
          end