nixos/tests/snapper: Use autoFormat

2025-08-16 14:12:31 -04:00
parent e2e7ac2504
commit bb51c2d8fe
1 changed files with 8 additions and 6 deletions
--- a/nixos/tests/snapper.nix
+++ b/nixos/tests/snapper.nix
@@ -5,16 +5,18 @@
  nodes.machine =
    { pkgs, lib, ... }:
    {
-      boot.initrd.postDeviceCommands = ''
-        ${pkgs.btrfs-progs}/bin/mkfs.btrfs -f -L aux /dev/vdb
-      '';
-
-      virtualisation.emptyDiskImages = [ 4096 ];
+      virtualisation.emptyDiskImages = [
+        {
+          size = 4096;
+          driveConfig.deviceExtraOpts.serial = "aux";
+        }
+      ];

      virtualisation.fileSystems = {
        "/home" = {
-          device = "/dev/disk/by-label/aux";
+          device = "/dev/disk/by-id/virtio-aux";
          fsType = "btrfs";
+          autoFormat = true;
        };
      };
      services.snapper.configs.home.SUBVOLUME = "/home";