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nixpkgs/nixos/modules/services/misc/rogue.nix
Eelco Dolstra 29027fd1e1 Rewrite ‘with pkgs.lib’ -> ‘with lib’
Using pkgs.lib on the spine of module evaluation is problematic
because the pkgs argument depends on the result of module
evaluation. To prevent an infinite recursion, pkgs and some of the
modules are evaluated twice, which is inefficient. Using ‘with lib’
prevents this problem.
2014-04-14 16:26:48 +02:00

62 lines
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Nix

# Execute the game `rogue' on tty 9. Mostly used by the NixOS
# installation CD.
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.rogue;
in
{
###### interface
options = {
services.rogue.enable = mkOption {
type = types.bool;
default = false;
description = ''
Whether to enable the Rogue game on one of the virtual
consoles.
'';
};
services.rogue.tty = mkOption {
type = types.str;
default = "tty9";
description = ''
Virtual console on which to run Rogue.
'';
};
};
###### implementation
config = mkIf cfg.enable {
boot.extraTTYs = [ cfg.tty ];
systemd.services.rogue =
{ description = "Rogue dungeon crawling game";
wantedBy = [ "multi-user.target" ];
serviceConfig =
{ ExecStart = "${pkgs.rogue}/bin/rogue";
StandardInput = "tty";
StandardOutput = "tty";
TTYPath = "/dev/${cfg.tty}";
TTYReset = true;
TTYVTDisallocate = true;
Restart = "always";
};
};
};
}