diff options
| -rw-r--r-- | common.nix | 6 | ||||
| -rw-r--r-- | modules/logind.nix | 121 |
2 files changed, 126 insertions, 1 deletions
@@ -8,12 +8,16 @@ let host = config.networking.hostName; in { - disabledModules = [ "services/networking/pppd.nix" ]; + disabledModules = [ + "services/networking/pppd.nix" + "system/boot/systemd/logind.nix" + ]; imports = [ ./modules/userdata.nix ./modules/dev.nix ./modules/pppd.nix ./modules/seatd.nix + ./modules/logind.nix ]; # boot diff --git a/modules/logind.nix b/modules/logind.nix new file mode 100644 index 0000000..5e6dcdf --- /dev/null +++ b/modules/logind.nix @@ -0,0 +1,121 @@ +{ config, lib, ... }: + +let + cfg = config.services.logind; + inherit (lib) mkOption types; + + logindHandlerType = types.enum [ + "ignore" "poweroff" "reboot" "halt" "kexec" "suspend" + "hibernate" "hybrid-sleep" "suspend-then-hibernate" "lock" + ]; +in +{ + options.services.logind = { + enable = mkOption { + default = true; + description = "Whether to enable logind."; + type = types.bool; + }; + + extraConfig = mkOption { + default = ""; + type = types.lines; + example = "IdleAction=lock"; + description = lib.mdDoc '' + Extra config options for systemd-logind. See + [ + logind.conf(5)](https://www.freedesktop.org/software/systemd/man/logind.conf.html) for available options. + ''; + }; + + killUserProcesses = mkOption { + default = false; + type = types.bool; + description = lib.mdDoc '' + Specifies whether the processes of a user should be killed + when the user logs out. If true, the scope unit corresponding + to the session and all processes inside that scope will be + terminated. If false, the scope is "abandoned" (see + [systemd.scope(5)](https://www.freedesktop.org/software/systemd/man/systemd.scope.html#)), and processes are not killed. + + See [logind.conf(5)](https://www.freedesktop.org/software/systemd/man/logind.conf.html#KillUserProcesses=) + for more details. + ''; + }; + + lidSwitch = mkOption { + default = "suspend"; + example = "ignore"; + type = logindHandlerType; + + description = lib.mdDoc '' + Specifies what to be done when the laptop lid is closed. + ''; + }; + + lidSwitchDocked = mkOption { + default = "ignore"; + example = "suspend"; + type = logindHandlerType; + + description = lib.mdDoc '' + Specifies what to be done when the laptop lid is closed + and another screen is added. + ''; + }; + + lidSwitchExternalPower = mkOption { + default = cfg.lidSwitch; + defaultText = lib.literalExpression "services.logind.lidSwitch"; + example = "ignore"; + type = logindHandlerType; + + description = lib.mdDoc '' + Specifies what to do when the laptop lid is closed and the system is + on external power. By default use the same action as specified in + services.logind.lidSwitch. + ''; + }; + }; + + config = lib.mkIf cfg.enable { + systemd.additionalUpstreamSystemUnits = [ + "systemd-logind.service" + "autovt@.service" + "systemd-user-sessions.service" + ] ++ lib.optionals config.systemd.package.withImportd [ + "dbus-org.freedesktop.import1.service" + ] ++ lib.optionals config.systemd.package.withMachined [ + "dbus-org.freedesktop.machine1.service" + ] ++ lib.optionals config.systemd.package.withPortabled [ + "dbus-org.freedesktop.portable1.service" + ] ++ [ + "dbus-org.freedesktop.login1.service" + "user@.service" + "user-runtime-dir@.service" + ]; + + environment.etc = { + "systemd/logind.conf".text = '' + [Login] + KillUserProcesses=${if cfg.killUserProcesses then "yes" else "no"} + HandleLidSwitch=${cfg.lidSwitch} + HandleLidSwitchDocked=${cfg.lidSwitchDocked} + HandleLidSwitchExternalPower=${cfg.lidSwitchExternalPower} + ${cfg.extraConfig} + ''; + }; + + # Restarting systemd-logind breaks X11 + # - upstream commit: https://cgit.freedesktop.org/xorg/xserver/commit/?id=dc48bd653c7e101 + # - systemd announcement: https://github.com/systemd/systemd/blob/22043e4317ecd2bc7834b48a6d364de76bb26d91/NEWS#L103-L112 + # - this might be addressed in the future by xorg + #systemd.services.systemd-logind.restartTriggers = [ config.environment.etc."systemd/logind.conf".source ]; + systemd.services.systemd-logind.restartIfChanged = false; + systemd.services.systemd-logind.stopIfChanged = false; + + # The user-runtime-dir@ service is managed by systemd-logind we should not touch it or else we break the users' sessions. + systemd.services."user-runtime-dir@".stopIfChanged = false; + systemd.services."user-runtime-dir@".restartIfChanged = false; + }; +} |