# File lib/dister/cli.rb, line 146 def package operation, *package access_core valid_operations = %w(add rm) ensure_valid_option operation, valid_operations, "operation" case operation when "add" package.each do |p| @core.add_package p end when "rm" package.each do |p| @core.rm_package p end end @core.verify_status puts "Done." end