forked from mirrors/nixpkgs
107 lines
2.9 KiB
Nix
107 lines
2.9 KiB
Nix
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{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.greetd;
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tty = "tty${toString cfg.vt}";
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settingsFormat = pkgs.formats.toml {};
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in
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{
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options.services.greetd = {
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enable = mkEnableOption "greetd";
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package = mkOption {
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type = types.package;
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default = pkgs.greetd.greetd;
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defaultText = "pkgs.greetd.greetd";
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description = "The greetd package that should be used.";
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};
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settings = mkOption {
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type = settingsFormat.type;
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example = literalExample ''
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{
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default_session = {
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command = "''${pkgs.greetd.greetd}/bin/agreety --cmd sway";
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};
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}
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'';
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description = ''
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greetd configuration (<link xlink:href="https://man.sr.ht/~kennylevinsen/greetd/">documentation</link>)
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as a Nix attribute set.
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'';
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};
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vt = mkOption {
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type = types.int;
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default = 1;
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description = ''
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The virtual console (tty) that greetd should use. This option also disables getty on that tty.
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'';
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};
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restart = mkOption {
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type = types.bool;
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default = !(cfg.settings ? initial_session);
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defaultText = "!(config.services.greetd.settings ? initial_session)";
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description = ''
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Wether to restart greetd when it terminates (e.g. on failure).
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This is usually desirable so a user can always log in, but should be disabled when using 'settings.initial_session' (autologin),
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because every greetd restart will trigger the autologin again.
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'';
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};
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};
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config = mkIf cfg.enable {
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services.greetd.settings.terminal.vt = mkDefault cfg.vt;
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services.greetd.settings.default_session = mkDefault "greeter";
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security.pam.services.greetd = {
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allowNullPassword = true;
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startSession = true;
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};
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# This prevents nixos-rebuild from killing greetd by activating getty again
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systemd.services."autovt@${tty}".enable = false;
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systemd.services.greetd = {
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unitConfig = {
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Wants = [
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"systemd-user-sessions.service"
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];
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After = [
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"systemd-user-sessions.service"
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"plymouth-quit-wait.service"
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"getty@${tty}.service"
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];
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Conflicts = [
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"getty@${tty}.service"
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];
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};
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serviceConfig = {
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ExecStart = "${pkgs.greetd.greetd}/bin/greetd --config ${settingsFormat.generate "greetd.toml" cfg.settings}";
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Restart = mkIf cfg.restart "always";
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# Defaults from greetd upstream configuration
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IgnoreSIGPIPE = false;
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SendSIGHUP = true;
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TimeoutStopSec = "30s";
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KeyringMode = "shared";
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};
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# Don't kill a user session when using nixos-rebuild
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restartIfChanged = false;
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wantedBy = [ "graphical.target" ];
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};
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systemd.defaultUnit = "graphical.target";
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users.users.greeter.isSystemUser = true;
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};
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meta.maintainers = with maintainers; [ queezle ];
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}
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