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-rw-r--r--nixos/modules/services/x11/display-managers/default.nix8
1 files changed, 8 insertions, 0 deletions
diff --git a/nixos/modules/services/x11/display-managers/default.nix b/nixos/modules/services/x11/display-managers/default.nix
index be634fc259a2..376f9f4b46b5 100644
--- a/nixos/modules/services/x11/display-managers/default.nix
+++ b/nixos/modules/services/x11/display-managers/default.nix
@@ -126,6 +126,14 @@ let
         (*) echo "$0: Desktop manager '$desktopManager' not found.";;
       esac
 
+      ${optionalString (cfg.startDbusSession && cfg.updateDbusEnvironment) ''
+        ${pkgs.glib}/bin/gdbus call --session \
+          --dest org.freedesktop.DBus --object-path /org/freedesktop/DBus \
+          --method org.freedesktop.DBus.UpdateActivationEnvironment \
+          "{$(env | ${pkgs.gnused}/bin/sed "s/'/\\\\'/g; s/\([^=]*\)=\(.*\)/'\1':'\2'/" \
+                  | ${pkgs.coreutils}/bin/paste -sd,)}"
+      ''}
+
       test -n "$waitPID" && wait "$waitPID"
       exit 0
     '';