irssi.nix

{ config, lib, pkgs, ... }:

with lib;

let
  cfg = config.services.irssi;
  irssi-config = pkgs.callPackage ../packages/irssi-config/default.nix {};
  irssi-user = "irssi";
in

{

  ###### interface

  options.services.irssi = {
    enable = mkEnableOption "Screen + Irssi session";
  };

  ###### implementation

  config = mkIf cfg.enable {

    environment.systemPackages = with pkgs; [ screen irssi irssi_otr irssi-config perlPackages.LWPUserAgent ];

    systemd.services."irssi" = {
      description = "Irssi and Screen session";
      after = [ "network.target" ];
      wantedBy  = [ "multiuser.target" ];
      serviceConfig = {
        #User  = irssi-user;
        #Group = irssi-user;
        PermissionsStartOnly = true;
        Type  = "forking";
        ExecStart  = "${pkgs.screen}/bin/screen -dmS irc ${pkgs.irssi}/bin/irssi --home ${irssi-config}";
        ExecStop   = "${pkgs.screen}/bin/screen -S irc -X stuff 'quit\\n'";
        Restart    = "on-failure";
      };
    };

    users = {
      users."${irssi-user}" = {
        name  = irssi-user;
        group = irssi-user;
        home  = "/home/${irssi-user}";
        createHome = true;
        shell = pkgs.bashInteractive;
        openssh.authorizedKeys.keys = with import ../misc/ssh-keys.nix; [ bubbles ];
        description = "User for running the irssi client";
      };
      groups."${irssi-user}" = {
        name = irssi-user;
      };
    };
  };
}