home-manager/modules/services/darkman.nix
Sumner Evans eb869521cb
darkman: allow no configuration
Closes #4779

Signed-off-by: Sumner Evans <me@sumnerevans.com>
2024-03-26 14:24:49 -06:00

116 lines
3.1 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.darkman;
yamlFormat = pkgs.formats.yaml { };
scriptsOptionType = kind:
mkOption {
type = types.attrsOf (types.oneOf [ types.path types.lines ]);
default = { };
example = literalExpression ''
{
gtk-theme = '''
''${pkgs.dconf}/bin/dconf write \
/org/gnome/desktop/interface/color-scheme "'prefer-${kind}'"
''';
my-python-script = pkgs.writers.writePython3 "my-python-script" { } '''
print('Do something!')
''';
}
'';
description = ''
Scripts to run when switching to "${kind} mode".
Multiline strings are interpreted as Bash shell scripts and a shebang is
not required.
'';
};
generateScripts = folder:
mapAttrs' (k: v: {
name = "${folder}/${k}";
value = {
source = if builtins.isPath v || isDerivation v then
v
else
pkgs.writeShellScript (hm.strings.storeFileName k) v;
};
});
in {
meta.maintainers = [ maintainers.xlambein ];
options.services.darkman = {
enable = mkEnableOption ''
darkman, a tool that automatically switches dark-mode on and off based on
the time of the day'';
package = mkPackageOption pkgs "darkman" { };
settings = mkOption {
type = types.submodule { freeformType = yamlFormat.type; };
default = { };
example = literalExpression ''
{
lat = 52.3;
lng = 4.8;
usegeoclue = true;
}
'';
description = ''
Settings for the {command}`darkman` command. See
<https://darkman.whynothugo.nl/#CONFIGURATION> for details.
'';
};
darkModeScripts = scriptsOptionType "dark";
lightModeScripts = scriptsOptionType "light";
};
config = mkIf cfg.enable {
assertions = [
(hm.assertions.assertPlatform "services.darkman" pkgs platforms.linux)
];
home.packages = [ cfg.package ];
xdg.configFile = {
"darkman/config.yaml" = mkIf (cfg.settings != { }) {
source = yamlFormat.generate "darkman-config.yaml" cfg.settings;
};
};
xdg.dataFile = mkMerge [
(mkIf (cfg.darkModeScripts != { })
(generateScripts "dark-mode.d" cfg.darkModeScripts))
(mkIf (cfg.lightModeScripts != { })
(generateScripts "light-mode.d" cfg.lightModeScripts))
];
systemd.user.services.darkman = {
Unit = {
Description = "Darkman system service";
Documentation = "man:darkman(1)";
PartOf = [ "graphical-session.target" ];
BindsTo = [ "graphical-session.target" ];
X-Restart-Triggers = mkIf (cfg.settings != { })
[ "${config.xdg.configFile."darkman/config.yaml".source}" ];
};
Service = {
Type = "dbus";
BusName = "nl.whynothugo.darkman";
ExecStart = "${getExe cfg.package} run";
Restart = "on-failure";
TimeoutStopSec = 15;
Slice = "background.slice";
};
Install.WantedBy = mkDefault [ "graphical-session.target" ];
};
};
}