From 399d6988547f46df4c37fe0c085cff63bb7040bc Mon Sep 17 00:00:00 2001
From: OPNA2608 <opna2608@protonmail.com>
Date: Sat, 9 Mar 2024 14:06:39 +0100
Subject: [PATCH] nixos/lightdm-greeters/lomiri: init

---
 .../lightdm-greeters/lomiri.nix               | 34 +++++++++++++++++++
 .../services/x11/display-managers/lightdm.nix |  1 +
 2 files changed, 35 insertions(+)
 create mode 100644 nixos/modules/services/x11/display-managers/lightdm-greeters/lomiri.nix

diff --git a/nixos/modules/services/x11/display-managers/lightdm-greeters/lomiri.nix b/nixos/modules/services/x11/display-managers/lightdm-greeters/lomiri.nix
new file mode 100644
index 000000000000..0cc79178358b
--- /dev/null
+++ b/nixos/modules/services/x11/display-managers/lightdm-greeters/lomiri.nix
@@ -0,0 +1,34 @@
+{ config, lib, pkgs, ... }:
+
+let
+
+  dmcfg = config.services.displayManager;
+  ldmcfg = config.services.xserver.displayManager.lightdm;
+  cfg = ldmcfg.greeters.lomiri;
+
+in
+{
+  meta.maintainers = lib.teams.lomiri.members;
+
+  options = {
+    services.xserver.displayManager.lightdm.greeters.lomiri = {
+      enable = lib.mkEnableOption "lomiri's greeter as the lightdm greeter";
+    };
+  };
+
+  config = lib.mkIf (ldmcfg.enable && cfg.enable) {
+    services.xserver.displayManager.lightdm.greeters.gtk.enable = false;
+
+    services.xserver.displayManager.lightdm.greeter = lib.mkDefault {
+      package = pkgs.lomiri.lomiri.greeter;
+      name = "lomiri-greeter";
+    };
+
+    # Greeter needs to be run through its wrapper
+    # Greeter doesn't work with our set-session.py script, need to set default user-session
+    services.xserver.displayManager.lightdm.extraSeatDefaults = ''
+      greeter-wrapper = ${lib.getExe' pkgs.lomiri.lomiri "lomiri-greeter-wrapper"}
+      user-session = ${dmcfg.defaultSession}
+    '';
+  };
+}
diff --git a/nixos/modules/services/x11/display-managers/lightdm.nix b/nixos/modules/services/x11/display-managers/lightdm.nix
index 63561934be08..25e6c597adcb 100644
--- a/nixos/modules/services/x11/display-managers/lightdm.nix
+++ b/nixos/modules/services/x11/display-managers/lightdm.nix
@@ -81,6 +81,7 @@ in
     ./lightdm-greeters/mini.nix
     ./lightdm-greeters/enso-os.nix
     ./lightdm-greeters/pantheon.nix
+    ./lightdm-greeters/lomiri.nix
     ./lightdm-greeters/tiny.nix
     ./lightdm-greeters/slick.nix
     ./lightdm-greeters/mobile.nix