nix-files/machines/servo/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/aa272cff-0fcc-498e-a4cb-0d95fb60631b";
    fsType = "btrfs";
  };

  fileSystems."/boot" = {
    device = "/dev/disk/by-uuid/31D3-40CB";
    fsType = "vfat";
  };


  # fileSystems."/var/lib/pleroma" = {
  #   device = "/opt/pleroma";
  #   options = [ "bind" ];
  # };

  # TODO: does transmission handle symlinks?
  fileSystems."/var/lib/transmission/Downloads" = {
    device = "/var/lib/uninsane/media";
    options = [ "bind" ];
  };
  fileSystems."/var/lib/transmission/.incomplete" = {
    device = "/var/lib/uninsane/media/incomplete";
    options = [ "bind" ];
  };

  # in-memory compressed RAM (seems to be dynamically sized)
  zramSwap = {
    enable = true;
  };

  swapDevices = [
    { device = "/nix/persist/swapfile"; size = 4096; }
  ];
}