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-rw-r--r--pkgs/applications/display-managers/lightdm/default.nix8
1 files changed, 8 insertions, 0 deletions
diff --git a/pkgs/applications/display-managers/lightdm/default.nix b/pkgs/applications/display-managers/lightdm/default.nix
index 1a65ebd3357..19ebedf1ea3 100644
--- a/pkgs/applications/display-managers/lightdm/default.nix
+++ b/pkgs/applications/display-managers/lightdm/default.nix
@@ -1,5 +1,6 @@
 { stdenv
 , fetchFromGitHub
+, nix-update-script
 , substituteAll
 , plymouth
 , pam
@@ -127,6 +128,13 @@ stdenv.mkDerivation rec {
     rm -rf $out/etc/apparmor.d $out/etc/init $out/etc/pam.d
   '';
 
+  passthru = {
+    updateScript = nix-update-script {
+      attrPath = pname;
+    };
+  };
+
+
   meta = {
     homepage = "https://github.com/CanonicalLtd/lightdm";
     description = "A cross-desktop display manager";