From 83fc9a98258036b7554efaa3177f85a8797dd403 Mon Sep 17 00:00:00 2001
From: Jan Tojnar <jtojnar@gmail.com>
Date: Mon, 23 Jul 2018 01:11:26 +0200
Subject: [PATCH] nixos/display-manager.default: add extraSessionFilePackages
 option

---
 .../services/x11/display-managers/default.nix        | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/nixos/modules/services/x11/display-managers/default.nix b/nixos/modules/services/x11/display-managers/default.nix
index 7685d8fa4ce..ef8dda52609 100644
--- a/nixos/modules/services/x11/display-managers/default.nix
+++ b/nixos/modules/services/x11/display-managers/default.nix
@@ -199,6 +199,10 @@ let
         Comment=
         EODESKTOP
       '') names}
+
+      ${concatMapStrings (pkg: ''
+        ${xorg.lndir}/bin/lndir ${pkg}/share/xsessions $out/share/xsessions
+      '') cfg.displayManager.extraSessionFilePackages}
     '';
 
 in
@@ -245,6 +249,14 @@ in
         '';
       };
 
+      extraSessionFilePackages = mkOption {
+        type = types.listOf types.package;
+        default = [];
+        description = ''
+          A list of packages containing xsession files to be passed to the display manager.
+        '';
+      };
+
       session = mkOption {
         default = [];
         example = literalExample