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{ config, lib, pkgs, ... }:
with lib;
let
tzdir = "${pkgs.tzdata}/share/zoneinfo";
in
{
options = {
time = {
timeZone = mkOption {
default = "UTC";
type = types.str;
example = "America/New_York";
description = ''
The time zone used when displaying times and dates. See <link
xlink:href="https://en.wikipedia.org/wiki/List_of_tz_database_time_zones"/>
for a comprehensive list of possible values for this setting.
'';
};
hardwareClockInLocalTime = mkOption {
default = false;
type = types.bool;
description = "If set, keep the hardware clock in local time instead of UTC.";
};
};
};
config = {
environment.sessionVariables.TZDIR = "/etc/zoneinfo";
# This way services are restarted when tzdata changes.
systemd.globalEnvironment.TZDIR = tzdir;
environment.etc.localtime =
{ source = "/etc/zoneinfo/${config.time.timeZone}";
mode = "direct-symlink";
};
environment.etc.zoneinfo.source = tzdir;
};
}
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