build iso's of all hosts

.gitea/workflows/iso-builder.yml

@@ -6,6 +6,7 @@ on:
       - hosts/acheron/**
       - hosts/armaros/**
       - hosts/buildbox/**
+      - hosts/ender-ml/**
       - hosts/eva-01/**
       - hosts/eva-03/**
       - hosts/iso/**
@@ -25,10 +26,12 @@ jobs:
       fail-fast: false
       matrix:
         host:
-          - eva-01
+          - acheron
           - armaros
-          - ender-ml
           - buildbox
+          - ender-ml
+          - eva-01
+          - eva-03
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository

flake.nix

@@ -78,7 +78,7 @@
     };
 
     # Hosts that have rescue/installer ISOs
-    isoHosts = ["acheron" "armaros" "buildbox" "eva-01" "eva-03"];
+    isoHosts = ["acheron" "armaros" "buildbox" "ender-ml" "eva-01" "eva-03"];
 
     # Build a rescue/installer ISO configuration for a host
     mkIso = hostname: {

hosts/ender-ml/iso.nix

@@ -1,4 +1,4 @@
-# ── buildbox rescue / installer ISO ────────────────────────────
+# ── ender-ml rescue / installer ISO ────────────────────────────
 {
   config,
   pkgs,
@@ -10,10 +10,11 @@
     ../iso/default.nix
   ];
 
-  boot.loader.grub.enable = lib.mkDefault true;
-  boot.loader.grub.devices = ["nodev"];
+  # Support both BIOS and UEFI boot
+  isoImage.makeBiosBootable = true;
+  isoImage.makeEfiBootable = true;
 
   iso.extraPackages = with pkgs; [btrfs-progs];
   iso.diskoConfig = ./disko-config.nix;
-  iso.description = "buildbox Rescue ISO";
+  iso.description = "ender-ml Rescue ISO";
 }

hosts/iso/default.nix

@@ -14,6 +14,7 @@
   config,
   lib,
   pkgs,
+  inputs,
   ...
 }: let
   cfg = config.iso;
@@ -42,7 +43,9 @@ in {
     # Without this, disko would try to apply filesystems/boot config at build time,
     # which conflicts with ISO-specific overrides and can cause boot failures.
     disko.enableConfig = false;
-    # Standard installer tools
+    # Standard installer tools. The disko *module* (inputs.disko.nixosModules.disko)
+    # only wires up system.build.diskoScript + fileSystems config — it does NOT put
+    # the `disko` CLI on PATH. We need the separate disko package for rescue use.
     environment.systemPackages = with pkgs;
       [
         git
@@ -52,6 +55,7 @@ in {
         parted
         gptfdisk
         efibootmgr
+        inputs.disko.packages.${pkgs.system}.disko
       ]
       ++ cfg.extraPackages;