mirror of
https://github.com/lhns/steam-frame-nix.git
synced 2026-10-06 07:00:27 +02:00
Pierre Kisters
65f5ccde9b
Descriptions say what, default and notable caveats; the mkPatch calling convention is referenced from lib/default.nix instead of repeated.
71 lines
3.0 KiB
Nix
71 lines
3.0 KiB
Nix
# Settings shared by both sessions, and user-service handling on switch.
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#
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# The Steam/VR session owns the systemd user manager and the outer D-Bus
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# (<runtimeDir>/bus); the nested Plasma desktop has its own XDG_RUNTIME_DIR
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# and private bus. `switch` usually runs from the nested desktop, where
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# home-manager's reloadSystemd is skipped ("User systemd daemon not running"),
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# so `steamFrameUserServices` does it against the outer session: always
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# daemon-reload, then start/stop/restart the units in `userServices`.
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{ config, lib, ... }:
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let
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cfg = config.steamFrame;
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units = lib.escapeShellArgs;
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in {
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options.steamFrame = {
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runtimeDir = lib.mkOption {
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type = lib.types.str;
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default = "/run/user/1000";
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description = "XDG_RUNTIME_DIR of the outer (Steam/VR) session.";
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};
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userBus = lib.mkOption {
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type = lib.types.str;
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default = "unix:path=${cfg.runtimeDir}/bus";
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defaultText = lib.literalExpression ''"unix:path=''${config.steamFrame.runtimeDir}/bus"'';
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description = ''
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Outer session D-Bus address; the only bus that reaches the user
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systemd manager and the running kwalletd6.
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'';
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};
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outerBusEnv = lib.mkOption {
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type = lib.types.str;
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readOnly = true;
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default = "env DBUS_SESSION_BUS_ADDRESS=${cfg.userBus}";
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defaultText = lib.literalExpression ''"env DBUS_SESSION_BUS_ADDRESS=''${config.steamFrame.userBus}"'';
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description = ''
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Exec= prefix for launchers that must use the outer bus, e.g. so apps
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in the nested desktop use the running kwalletd6 instead of a second one.
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'';
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};
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userServices = {
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start = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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default = [ ];
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example = [ "docker.service" ];
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description = "User units started on switch if not already running (outer user manager).";
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};
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restart = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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default = [ ];
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example = [ "steam-keyboard-patch.service" ];
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description = "User units restarted on every switch (outer user manager).";
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};
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stop = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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default = [ ];
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description = "User units stopped on switch if running (e.g. of a just-disabled feature).";
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};
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};
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};
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config.home.activation.steamFrameUserServices = lib.hm.dag.entryAfter [ "reloadSystemd" ] (''
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export XDG_RUNTIME_DIR=${lib.escapeShellArg cfg.runtimeDir} DBUS_SESSION_BUS_ADDRESS=${lib.escapeShellArg cfg.userBus}
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run /usr/bin/systemctl --user daemon-reload
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'' + lib.optionalString (cfg.userServices.start != [ ]) ''
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run /usr/bin/systemctl --user start ${units cfg.userServices.start}
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'' + lib.optionalString (cfg.userServices.stop != [ ]) ''
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run /usr/bin/systemctl --user stop ${units cfg.userServices.stop} || true
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'' + lib.optionalString (cfg.userServices.restart != [ ]) ''
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run /usr/bin/systemctl --user restart ${units cfg.userServices.restart}
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'');
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}
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