mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-12 16:53:21 +00:00
29027fd1e1
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.
40 lines
642 B
Nix
40 lines
642 B
Nix
# Telepathy daemon.
|
|
|
|
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
|
|
{
|
|
|
|
###### interface
|
|
|
|
options = {
|
|
|
|
services.telepathy = {
|
|
|
|
enable = mkOption {
|
|
type = types.bool;
|
|
default = false;
|
|
description = ''
|
|
Whether to enable Telepathy service, a communications framework
|
|
that enables real-time communication via pluggable protocol backends.
|
|
'';
|
|
};
|
|
|
|
};
|
|
|
|
};
|
|
|
|
|
|
###### implementation
|
|
|
|
config = mkIf config.services.telepathy.enable {
|
|
|
|
environment.systemPackages = [ pkgs.telepathy_mission_control ];
|
|
|
|
services.dbus.packages = [ pkgs.telepathy_mission_control ];
|
|
|
|
};
|
|
|
|
}
|