Contents

module Upstart::Exporter::Options
  class CommandLine < Hash
    include Upstart::Exporter::Errors

    def initialize(command_line_args)
      super
      self[:procfile_commands] = if command_line_args[:clear]
        {}
                        else
        process_procfile(command_line_args[:procfile])
                        end
      self[:app_name] = process_appname(command_line_args[:app_name])
    end

    def process_procfile(name)
      error "#{name} is not a readable file" unless FileTest.file?(name)
      commands = {}
      content = File.read(name)
      content.lines.each do |line|
        line.chomp!
        if line =~ /^(\w+?):(.*)$/
          label = $1
          command = $2
          commands[label] = command
        elsif line =~ /^\s*#/
          # do nothing, comment
        elsif line =~ /^\s*$/
          # do nothing, empty
        else
          break if commands['version'] && commands['version'].strip == '2'
          error "procfile version 1 lines should have the following format: 'some_label: command'"
        end
      end
      if commands['version'] && commands['version'].strip == '2'
        commands = Upstart::Exporter::HashUtils::symbolize_keys(YAML.load(content))
        error('procfile should include "commands" key') unless commands[:commands]

        if invalid_name = commands[:commands].keys.find {|k| k.to_s !~ /\A[A-z\d_]*?\z/}
          error("command name #{invalid_name} should include only letters and/or underscores")
        end
      end
      commands
    end

    def process_appname(app_name)
      error "Application name should contain only letters (and underscore) and be nonempty, so #{app_name.inspect} is not suitable" unless app_name =~ /^\w+$/
      app_name
    end

  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
upstart-exporter-2.1.5	lib/upstart-exporter/options/command_line.rb
upstart-exporter-2.1.4	lib/upstart-exporter/options/command_line.rb
upstart-exporter-2.1.3	lib/upstart-exporter/options/command_line.rb