nix-files/machines/desko/fs.nix

{ ... }:

{
  # root is a tmpfs so that we have an ephemeral system ("impermanence" handles the state)
  fileSystems."/" = {
    device = "none";
    fsType = "tmpfs";
    options = [
      "mode=755"
      "size=1G"
      "defaults"
    ];
  };
  # we need a /tmp of default size (half RAM) for building large nix things
  fileSystems."/tmp" = {
    device = "none";
    fsType = "tmpfs";
    options = [
      "mode=777"
      "defaults"
    ];
  };
  fileSystems."/nix" = {
    # device = "/dev/disk/by-uuid/985a0a32-da52-4043-9df7-615adec2e4ff";
    device = "/dev/disk/by-uuid/0ab0770b-7734-4167-88d9-6e4e20bb2a56";
    fsType = "btrfs";
    options = [
      "compress=zstd"
      "defaults"
    ];
  };

  fileSystems."/boot" = {
    # device = "/dev/disk/by-uuid/CAA7-E7D2";
    device = "/dev/disk/by-uuid/41B6-BAEF";
    fsType = "vfat";
  };
}