From 33110dc1d9eea6da6e8bfdc99b3a89b2a5640c6e Mon Sep 17 00:00:00 2001
From: colin <colin@uninsane.org>
Date: Thu, 20 Oct 2022 21:16:38 -0700
Subject: [PATCH] phosh/lightdm: configure default xorg session

---
 modules/gui/phosh.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/modules/gui/phosh.nix b/modules/gui/phosh.nix
index bcfdaba0a..3b988ea85 100644
--- a/modules/gui/phosh.nix
+++ b/modules/gui/phosh.nix
@@ -78,6 +78,9 @@ in
     }
     (mkIf cfg.useGreeter {
       services.xserver.enable = true;
+      # NB: setting defaultSession has the critical side-effect that it lets org.freedesktop.AccountsService
+      # know that our user exists. this ensures lightdm succeeds when calling /org/freedesktop/AccountsServices ListCachedUsers
+      services.xserver.displayManager.defaultSession = "sm.puri.Phosh";
       services.xserver.displayManager.lightdm.greeters.gtk.enable = false;  # gtk greeter overrides our own?
       services.xserver.displayManager.lightdm.greeter = {
         enable = true;