anchor.diff:    # setup ppa
     config[:vendor_repo].select{|x| x[:type]=='ppa'}.each do |repo|
       script += <<-INSTALL
  -        #{sudo('add-apt-repository')} "ppa:#{repo[:name]}" -y;
  +        add-apt-repository "ppa:#{repo[:name]}" -y;
       INSTALL
     end
   
  
positive.code:   end
    script += <<-INSTALL
      linkFormulas "$SALT_ROOT"
      #{sudo('chown')} "${SUDO_USER:-$USER}" -R "${SALT_SHARE_DIR}" "${SALT_ROOT}";
      echo "Content of $SALT_ROOT :";
      ls -la "$SALT_ROOT";
    INSTALL
  
negative.code:     case type
      when 'apt'
        script += <<-INSTALL
          apt-get update -q;
          sleep 10;
        INSTALL
      when 'yum'
        script += <<-INSTALL
          yum update;
          sleep 10;
        INSTALL
      when 'spm'
        script += <<-INSTALL
          spm update_repo;
        INSTALL
      end
    end
  