Contents

# frozen_string_literal: true

module ConvenientService
  module Examples
    module Dry
      class Gemfile
        module Services
          class RunShellCommand
            include DryService::Config

            option :command
            option :debug, default: -> { false }

            contract do
              schema do
                required(:command).filled(:string)
                optional(:debug).value(:bool)
              end
            end

            step Services::PrintShellCommand,
              in: [:command, {skip: -> { !debug }}],
              fallback: true

            step :result,
              in: :command

            def result
              ##
              # 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

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
convenient_service-0.13.0	lib/convenient_service/examples/dry/gemfile/services/run_shell_command.rb