forked from mirrors/nixpkgs
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.
39 lines
749 B
Nix
39 lines
749 B
Nix
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
|
|
{
|
|
options = {
|
|
|
|
time = {
|
|
|
|
timeZone = mkOption {
|
|
default = "CET";
|
|
type = types.str;
|
|
example = "America/New_York";
|
|
description = "The time zone used when displaying times and dates.";
|
|
};
|
|
|
|
hardwareClockInLocalTime = mkOption {
|
|
default = false;
|
|
description = "If set, keep the hardware clock in local time instead of UTC.";
|
|
};
|
|
|
|
};
|
|
};
|
|
|
|
config = {
|
|
|
|
environment.variables.TZDIR = "/etc/zoneinfo";
|
|
|
|
environment.etc.localtime =
|
|
{ source = "${pkgs.tzdata}/share/zoneinfo/${config.time.timeZone}";
|
|
mode = "direct-symlink";
|
|
};
|
|
|
|
environment.etc.zoneinfo.source = "${pkgs.tzdata}/share/zoneinfo";
|
|
|
|
};
|
|
|
|
}
|