netboot.xyz/roles/netbootxyz/templates/menu/menu.ipxe.j2

#!ipxe
{% if early_menu_enabled -%}
{{ early_menu_contents }}
{%- endif %}

:start
chain --autofree boot.cfg ||
echo Attempting to retrieve latest upstream version number...
chain --timeout 5000 https://boot.netboot.xyz/version.ipxe ||
ntp {{ time_server }} ||
iseq ${cls} serial && goto ignore_cls ||
set cls:hex 1b:5b:4a  # ANSI clear screen sequence - "^[[J"
set cls ${cls:string}
:ignore_cls

{% if 'x' in boot_version %}
:version_check
set latest_version {{ boot_version }}
echo ${cls}
iseq ${version} ${latest_version} && goto version_up2date ||
echo
echo Updated version of {{ site_name }} is available:
echo
echo Running version.....${version}
echo Updated version.....${latest_version}
echo
echo Please download the latest version from {{ site_name }}.
echo
echo Attempting to chain to latest version...
chain --autofree http://${boot_domain}/ipxe/${ipxe_disk} ||
:version_up2date
{% endif %}

isset ${arch} && goto skip_arch_detect ||
cpuid --ext 29 && set arch x86_64 || set arch i386
iseq ${buildarch} arm64 && set arch arm64 ||
:skip_arch_detect
isset ${menu} && goto ${menu} ||

isset ${ip} || dhcp || echo DHCP failed

:main_menu
clear menu
set space:hex 20:20
set space ${space:string}
iseq ${arch} x86_64 && set arch_a amd64 || set arch_a ${arch}
menu ${site_name}
item --gap Default:
item local ${space} Boot from local hdd
item --gap Distributions:
iseq ${menu_linux} 1 && item linux ${space} Linux Network Installs ||
iseq ${menu_linux_arm} 1 && item linux-arm ${space} Linux Network Installs ||
iseq ${menu_live} 1 && item live ${space} Live CDs ||
iseq ${menu_live_arm} 1 && item live-arm ${space} Live CDs ||
iseq ${menu_bsd} 1 && item bsd ${space} BSD Installs ||
iseq ${menu_unix} 1 && item unix ${space} Unix Network Installs ||
iseq ${menu_freedos} 1 && item freedos ${space} FreeDOS || 
iseq ${menu_windows} 1 && item windows ${space} Windows ||
item --gap Tools:
iseq ${menu_utils} 1 && item utils-${platform} ${space} Utilities ||
iseq ${menu_utils_arm} 1 && item utils-arm ${space} Utilities ||
iseq ${arch} x86_64 && set bits 64 || set bits 32
iseq ${arch} arm64 && set bits 64 ||
item changebits ${space} Architecture: ${arch} (${bits}bit)
item shell ${space} iPXE shell
item netinfo ${space} Network card info
item lspci ${space} PCI Device List
item about ${space} About netboot.xyz
{% if sigs_menu | bool %}
item --gap Signature Checks:
{% if sigs_enabled | bool %}
item sig_check ${space} {{ site_name }} [ enabled: ${sigs_enabled} ]
{% endif %}
{% endif %}
{% if custom_github_menus | bool %}
isset ${github_user} && item --gap Custom Github Menu: ||
isset ${github_user} && item custom-github ${space} ${github_user}'s Custom Menu ||
{% endif %}
{% if custom_url_menus | bool %}
isset ${custom_url} && item --gap Custom URL Menu: ||
isset ${custom_url} && item custom-url ${space} Custom URL Menu ||
{% endif %}
{% if custom_generate_menus | bool %}
item --gap Custom User Menus: ||
item custom-user ${space} Custom User Menus
{% endif %}
isset ${menu} && set timeout 0 || set timeout ${boot_timeout}
choose --timeout ${timeout} --default ${menu} menu || goto local
echo ${cls}
goto ${menu} ||
iseq ${sigs_enabled} true && goto verify_sigs || goto change_menu

:verify_sigs
imgverify ${menu}.ipxe ${sigs}${menu}.ipxe.sig || goto error
goto change_menu

:change_menu
chain ${menu}.ipxe || goto error
goto main_menu

:error
echo Error occured, press any key to return to menu ...
prompt
goto main_menu

:local
echo Booting from local disks ...
exit 0

:shell
echo Type "exit" to return to menu.
set menu main_menu
shell
goto main_menu

:changebits
iseq ${arch} x86_64 && set arch i386 || set arch x86_64
goto main_menu

:sig_check
iseq ${sigs_enabled} true && set sigs_enabled false || set sigs_enabled true
goto main_menu

:about
chain https://boot.netboot.xyz/about.ipxe || chain about.ipxe 
goto main_menu

:custom-github
chain https://raw.githubusercontent.com/${github_user}/netboot.xyz-custom/master/custom.ipxe || goto error
goto main_menu

:custom-url
chain ${custom_url}/custom.ipxe || goto error
goto main_menu

:custom-user
chain custom/custom.ipxe
goto main_menu