nixpkgs/nixos/tests/bcachefs.nix

import ./make-test-python.nix ({ pkgs, ... }: {
  name = "bcachefs";
  meta.maintainers = with pkgs.lib.maintainers; [ Madouura ];

  nodes.machine = { pkgs, ... }: {
    virtualisation.emptyDiskImages = [ 4096 ];
    networking.hostId = "deadbeef";
    boot.supportedFilesystems = [ "bcachefs" ];
    environment.systemPackages = with pkgs; [ parted keyutils ];
  };

  testScript = ''
    machine.succeed("modprobe bcachefs")
    machine.succeed("bcachefs version")
    machine.succeed("ls /dev")

    machine.succeed(
        "mkdir /tmp/mnt",
        "udevadm settle",
        "parted --script /dev/vdb mklabel msdos",
        "parted --script /dev/vdb -- mkpart primary 1024M 50% mkpart primary 50% -1s",
        "udevadm settle",
        "keyctl link @u @s",
        "echo password | bcachefs format --encrypted --metadata_replicas 2 --label vtest /dev/vdb1 /dev/vdb2",
        "echo password | bcachefs unlock /dev/vdb1",
        "mount -t bcachefs /dev/vdb1:/dev/vdb2 /tmp/mnt",
        "udevadm settle",
        "bcachefs fs usage /tmp/mnt",
        "umount /tmp/mnt",
        "udevadm settle",
    )
  '';
})