feat: re-enable disko on ksios

flake.nix

@@ -112,9 +112,10 @@
             inherit nix-colors;
           };
           modules = [
+            disko.nixosModules.disko
             inputs.mailserver.nixosModules.default
-            ./hosts/ksios/configuration.nix
             inputs.home-manager.nixosModules.default
+            ./hosts/ksios/configuration.nix
           ];
         };
       };

hosts/ksios/configuration.nix

@@ -8,6 +8,7 @@
     [
       # Include the results of the hardware scan.
       ./hardware-configuration.nix
+      ./disk-config.nix
       inputs.home-manager.nixosModules.default
       (modulesPath + "/installer/scan/not-detected.nix")
       (modulesPath + "/profiles/qemu-guest.nix")

hosts/ksios/disk-config.nix

@@ -0,0 +1,41 @@
+# Example to create a bios compatible gpt partition
+{ lib, ... }:
+{
+  disko.devices = {
+    disk.disk1 = {
+      device = lib.mkDefault "/dev/nvme0n1";
+      type = "disk";
+      content = {
+        type = "gpt";
+        partitions = {
+          boot = {
+            name = "boot";
+            size = "1M";
+            type = "EF02";
+          };
+          esp = {
+            name = "ESP";
+            size = "500M";
+            type = "EF00";
+            content = {
+              type = "filesystem";
+              format = "vfat";
+              mountpoint = "/boot";
+            };
+          };
+          root = {
+            size = "100%";
+            content = {
+              type = "filesystem";
+              format = "ext4";
+              mountpoint = "/";
+              mountOptions = [
+                "defaults"
+              ];
+            };
+          };
+        };
+      };
+    };
+  };
+}