# frozen_string_literal: true module ConvenientService module Examples module Dry module Gemfile module Services class RunShell include DryService::Config option :command option :debug, default: -> { false } contract do schema do required(:command).value(:string) optional(:debug).value(:bool) end end def result Services::PrintShellCommand.result(text: command) if debug ## # NOTE: When the command exit code is 0, `system` return true, and false otherwise. # - https://ruby-doc.org/core-3.1.2/Kernel.html#method-i-system # - https://stackoverflow.com/a/37329716/12201472 # if system(command) success else error(message: "#{command} returned non-zero exit code") end end end end end end end end