bootbox/app/templates/main.ipxe.j2

{% extends 'formatting.ipxe.j2' %}
{% block menu%}
dhcp
echo MAIN MENU

cpuid --ext 29 && set bits 64 || set bits 32
cpuid --ext 29 && set arch x86_64 || set arch x86

:main
menu BootBox @ {{ request.url_root }}
{% for mt in ('install', 'utilities') %}
item --gap --   == {{ mt.upper() }} ==
  {% for os in db.getMenu(mt) %}
item --key {{ os['shortcut'] }} {{ os['name'] }}   ({{ os['shortcut'] }})   {{ os['desc'] }}
  {%- endfor %}
{% endfor %}
choose base

echo Selected: ${base}
shell
{% endblock %}