add autoexec, rework uri

pkgs/pxescript/default.nix

@@ -8,17 +8,24 @@ let
   cmdlineinitrds = builtins.concatStringsSep " " (builtins.map (name: "initrd=${name}") (builtins.attrNames initrds));
 in
 runCommand "netboot" {
-  pxe = ''
+  autoexec-ipxe = ''
+    #!ipxe
+    dhcp
+    set path netboot
+    chain http://''${next_server}/''${path}/netboot.ipxe
+  '';
+  netboot-ipxe = ''
     #!ipxe
     ## Variables
     set server 172.16.1.6
     set path netboot
+    set source ''${uri}
     ##
     :custom
     clear custom_choice
     menu NixOS netboot installer
     item --gap Role Installers
-    item option_one ''${space} Boot NixOS
+    item nix-netboot_1 ''${space} Boot NixOS
     item option_two ''${space} Loading an ISO
     item --gap Testing Tools (incomplete)
     item option_three ''${space} Loads another custom sub menu
@@ -28,18 +35,15 @@ runCommand "netboot" {
     goto ''${custom_choice}
     goto custom_exit
 
-    :option_one
-    kernel http://''${server}/''${path}/${pkgs.stdenv.hostPlatform.linux-kernel.target}
-    ${builtins.concatStringsSep "\n" (builtins.attrValues (builtins.mapAttrs (name: path: "initrd http://\${server}/\${path}/${name}") initrds))}
-    #initrd http://''${server}/''${path}/initrd
-    #initrd http://''${server}/''${path}/manifest
-    #initrd http://''${server}/''${path}/nix-store
+    :nix_netboot_1
+    kernel ${pkgs.stdenv.hostPlatform.linux-kernel.target}
+    ${builtins.concatStringsSep "\n" (builtins.attrValues (builtins.mapAttrs (name: path: "initrd ${name}") initrds))}
     imgargs ${pkgs.stdenv.hostPlatform.linux-kernel.target} init=${config.system.build.toplevel}/init ${cmdlineinitrds} ${toString config.boot.kernelParams}
     boot || goto custom_exit
 
     :option_two
-    kernel http://''${server}/''${path}/memdisk iso raw
-    initrd http://''${server}/archlinux/iso/latest/archlinux-x86_64.iso
+    kernel memdisk iso raw
+    initrd http://mirror.mauer.tech/archlinux/iso/latest/archlinux-x86_64.iso
     boot || goto custom_exit
 
     :option_three
@@ -70,7 +74,8 @@ runCommand "netboot" {
       )
   )}
   set +x
-  echo "$pxe" > netboot.ipxe
+  echo "$autoexec-ipxe" > autoexec.ipxe
+  echo "$netboot-ipxe" > netboot.ipxe
 
   cd ..
   mv stage $out