Merge pull request #45107 from mnacamura/lightdm-accountsservice

lightdm: enable the accounts daemon to find dbus interface

2 files changed, 13 insertions, 4 deletions

diff --git a/nixos/modules/services/desktops/accountsservice.nix b/nixos/modules/services/desktops/accountsservice.nix
index 2a7450669ea0..933b9da2c83c 100644
--- a/nixos/modules/services/desktops/accountsservice.nix
+++ b/nixos/modules/services/desktops/accountsservice.nix
@@ -32,15 +32,21 @@ with lib;
 
     environment.systemPackages = [ pkgs.accountsservice ];
 
+    # Accounts daemon looks for dbus interfaces in $XDG_DATA_DIRS/accountsservice
+    environment.pathsToLink = [ "/share/accountsservice" ];
+
     services.dbus.packages = [ pkgs.accountsservice ];
 
     systemd.packages = [ pkgs.accountsservice ];
 
-    systemd.services.accounts-daemon= {
+    systemd.services.accounts-daemon = {
 
       wantedBy = [ "graphical.target" ];
 
-    } // (mkIf (!config.users.mutableUsers) {
+      # Accounts daemon looks for dbus interfaces in $XDG_DATA_DIRS/accountsservice
+      environment.XDG_DATA_DIRS = "${config.system.path}/share";
+
+    } // (optionalAttrs (!config.users.mutableUsers) {
       environment.NIXOS_USERS_PURE = "true";
     });
   };
diff --git a/nixos/modules/services/x11/display-managers/lightdm.nix b/nixos/modules/services/x11/display-managers/lightdm.nix
index 6be15d8cdf46..dc82f7086c82 100644
--- a/nixos/modules/services/x11/display-managers/lightdm.nix
+++ b/nixos/modules/services/x11/display-managers/lightdm.nix
@@ -15,7 +15,7 @@ let
 
   inherit (pkgs) lightdm writeScript writeText;
 
-  # lightdm runs with clearenv(), but we need a few things in the enviornment for X to startup
+  # lightdm runs with clearenv(), but we need a few things in the environment for X to startup
   xserverWrapper = writeScript "xserver-wrapper"
     ''
       #! ${pkgs.bash}/bin/bash
@@ -209,9 +209,12 @@ in
     services.dbus.enable = true;
     services.dbus.packages = [ lightdm ];
 
-    # lightdm uses the accounts daemon to rember language/window-manager per user
+    # lightdm uses the accounts daemon to remember language/window-manager per user
     services.accounts-daemon.enable = true;
 
+    # Enable the accounts daemon to find lightdm's dbus interface
+    environment.systemPackages = [ lightdm ];
+
     security.pam.services.lightdm = {
       allowNullPassword = true;
       startSession = true;