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6c2b79403e
As per systemd.special(7)[0] graphical-session-pre.target is strictly for units that set up things for a graphical session. Most notably, these are usually started *before* the compositor/session is actually ready. While Home Manager's current implementation of graphical-session.target allows these units to work regardless of what systemd.special(7) specifies, other setups like ones with uwsm[1] do not allow these units to start properly. [0]: https://www.freedesktop.org/software/systemd/man/latest/systemd.special.html#graphical-session-pre.target [1]: https://github.com/Vladimir-csp/uwsm
62 lines
1.6 KiB
Nix
62 lines
1.6 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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inherit (lib.strings) toJSON;
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cfg = config.services.poweralertd;
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escapeSystemdExecArg = arg:
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let
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s = if isPath arg then
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"${arg}"
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else if isString arg then
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arg
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else if isInt arg || isFloat arg || isDerivation arg then
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toString arg
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else
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throw
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"escapeSystemdExecArg only allows strings, paths, numbers and derivations";
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in replaceStrings [ "%" "$" ] [ "%%" "$$" ] (toJSON s);
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escapeSystemdExecArgs = concatMapStringsSep " " escapeSystemdExecArg;
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in {
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meta.maintainers = [ maintainers.thibautmarty ];
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options.services.poweralertd = {
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enable = mkEnableOption "the Upower-powered power alertd";
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extraArgs = mkOption {
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type = with types; listOf str;
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default = [ ];
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example = [ "-s" "-S" ];
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description = ''
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Extra command line arguments to pass to poweralertd.
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'';
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};
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};
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config = mkIf cfg.enable {
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assertions = [
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(lib.hm.assertions.assertPlatform "services.poweralertd" pkgs
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lib.platforms.linux)
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];
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systemd.user.services.poweralertd = {
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Unit = {
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Description = "UPower-powered power alerter";
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Documentation = "man:poweralertd(1)";
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After = [ "graphical-session.target" ];
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PartOf = [ "graphical-session.target" ];
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};
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Install.WantedBy = [ "graphical-session.target" ];
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Service = {
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Type = "simple";
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ExecStart = "${pkgs.poweralertd}/bin/poweralertd ${
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escapeSystemdExecArgs cfg.extraArgs
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}";
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Restart = "always";
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};
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};
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};
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}
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