Module: BuildLabels::CommandLine

Defined in:
lib/build-labels/command_line.rb

Constant Summary collapse

COMMANDS = 
{}

Class Method Summary collapse

Class Method Details

.load_env(filename) ⇒ Object 



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# File 'lib/build-labels/command_line.rb', line 9

def load_env(filename)
  File.read(filename).lines.map(&:strip).grep_v(/^\s*#/).reject(&:empty?)
    .map {
     if _1 =~ /([^=]+)=(.*)/
        a, k,v = Regexp.last_match.to_a
        ENV[k] = v
        [k,v]
      else
        nil
      end
    }.compact.to_h
 rescue =>e
   puts "Load env error: #{e.message}"
   raise "Invalid #{filename} file"
end

.run(args) ⇒ Object 



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# File 'lib/build-labels/command_line.rb', line 25

def run(args)
  params = {}

  ARGV << '-h' if ARGV.empty?
  OptionParser.new do |o|
    o.version = "#{BuildLabels::Builder::VERSION}"

    usage = [
      'build-labels -c docker-compose.yml gitlab',
      'cat docker-compose.yml | build-labels gitlab',
      'build-labels gitlab < docker-compose.yml'
    ]
    o.banner = "Version: #{o.version}\nUsage:\n\t#{usage.join "\n\t"}"
    o.separator ''
    o.separator 'Commands:'
    COMMANDS.each { |name, cmd| o.separator "#{' ' * 5}#{name} -  #{cmd.help}" }

    o.separator ''
    o.separator 'Options:'

    #  in all caps are required
    o.on('-c', '--compose COMPOSE_FILE', 'Compose file')
    o.on('-e', '--env FILE', 'Load .build_info FILE') { load_env _1 }
    o.on('-n', '--no-env', 'Do not process env variables') { true }
    COMMANDS.values.select{_1.options(o) if _1.respond_to? :options }

    o.on('-h', '--help') { puts o; exit }
    rest = o.parse! args, into: params

    params.transform_keys!{_1.to_s.gsub('-','_').to_sym}

    compose_text = File.read(params[:compose]) if params[:compose]
    compose_text ||= STDIN.read unless $stdin.tty?

    result = YamlMerge.parse_and_process_yaml compose_text
    compose_text = YamlMerge.deep_copy_without_aliases result
    builder = Builder.new

    #  eval $(grep -v -e '^#' .build_info | xargs -I {} echo export \'{}\') && echo $CI_COMMIT_AUTHOR
    if rest === ['gitlab'] && compose_text
      rest = ['gitlab', 'to_compose']
    end

    rest.each do |command|
      raise "Unknown command: #{command}" unless COMMANDS.key?(command.to_sym)
      COMMANDS[command.to_sym].run builder, params, compose_text
    end
  rescue => e
    puts e.message
    exit 1
  end
end