From a3a6ad305ffb21328c8e4bc1a8a46e7d6b856d37 Mon Sep 17 00:00:00 2001
From: Matt Sturgeon <matt@sturgeon.me.uk>
Date: Tue, 2 Jun 2026 18:25:30 +0100
Subject: [PATCH] nixos/displayManager: interpolate option paths in docs +
 errors

---
 nixos/modules/services/display-managers/default.nix | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/nixos/modules/services/display-managers/default.nix b/nixos/modules/services/display-managers/default.nix
index 418db90e7cc6..e3eb882ec2f8 100644
--- a/nixos/modules/services/display-managers/default.nix
+++ b/nixos/modules/services/display-managers/default.nix
@@ -1,5 +1,6 @@
 {
   config,
+  options,
   lib,
   pkgs,
   ...
@@ -7,6 +8,7 @@
 
 let
   cfg = config.services.displayManager;
+  opts = options.services.displayManager;
 
   installedSessions =
     pkgs.runCommand "desktops"
@@ -79,7 +81,7 @@ in
                 default = config.user != null;
                 defaultText = lib.literalExpression "config.${options.user} != null";
                 description = ''
-                  Automatically log in as {option}`autoLogin.user`.
+                  Automatically log in as {option}`${options.user}`.
                 '';
               };
 
@@ -185,14 +187,14 @@ in
       {
         assertion = cfg.autoLogin.enable -> cfg.autoLogin.user != null;
         message = ''
-          services.displayManager.autoLogin.enable requires services.displayManager.autoLogin.user to be set
+          `${opts.autoLogin}.enable` requires `${opts.autoLogin}.user` to be set
         '';
       }
       {
         assertion = cfg.defaultSession == null || lib.elem cfg.defaultSession cfg.sessionData.sessionNames;
         message = ''
           Default graphical session, '${toString cfg.defaultSession}', not found.
-          Valid names for 'services.displayManager.defaultSession' are:
+          Valid names for `${opts.defaultSession}` are:
             ${lib.concatStringsSep "\n    " cfg.sessionData.sessionNames}
         '';
       }