home-manager/modules/misc/tmpfiles.nix
Robert Helgesson 5f433eb164
Move platform check into modules
Before, loading a module would be guarded by an optional platform
condition. This made it possible to avoid loading and evaluating a
module if it did not support the host platform.

Unfortunately, this made it impossible to share a single configuration
between GNU/Linux and Darwin hosts, which some wish to do.

This removes the conditional load and instead inserts host platform
assertions in the modules that are platform specific.

Fixes #1906
2021-07-18 20:43:22 +02:00

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.systemd.user.tmpfiles;
in {
meta.maintainers = [ maintainers.dawidsowa ];
options.systemd.user.tmpfiles.rules = mkOption {
type = types.listOf types.str;
default = [ ];
example = [ "L /home/user/Documents - - - - /mnt/data/Documents" ];
description = ''
Rules for creating and cleaning up temporary files
automatically. See
<citerefentry>
<refentrytitle>tmpfiles.d</refentrytitle>
<manvolnum>5</manvolnum>
</citerefentry>
for the exact format.
'';
};
config = mkIf (cfg.rules != [ ]) {
assertions = [
(hm.assertions.assertPlatform "systemd.user.tmpfiles" pkgs
platforms.linux)
];
xdg = {
dataFile."user-tmpfiles.d/home-manager.conf" = {
text = ''
# This file is created automatically and should not be modified.
# Please change the option systemd.user.tmpfiles.rules instead.
${concatStringsSep "\n" cfg.rules}
'';
onChange = "${pkgs.systemd}/bin/systemd-tmpfiles --user --create";
};
configFile = {
"systemd/user/basic.target.wants/systemd-tmpfiles-setup.service".source =
"${pkgs.systemd}/example/systemd/user/systemd-tmpfiles-setup.service";
"systemd/user/systemd-tmpfiles-setup.service".source =
"${pkgs.systemd}/example/systemd/user/systemd-tmpfiles-setup.service";
"systemd/user/timers.target.wants/systemd-tmpfiles-clean.timer".source =
"${pkgs.systemd}/example/systemd/user/systemd-tmpfiles-clean.timer";
"systemd/user/systemd-tmpfiles-clean.service".source =
"${pkgs.systemd}/example/systemd/user/systemd-tmpfiles-clean.service";
};
};
};
}