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-rw-r--r--nixos/modules/config/nsswitch.nix4
1 files changed, 3 insertions, 1 deletions
diff --git a/nixos/modules/config/nsswitch.nix b/nixos/modules/config/nsswitch.nix
index fd8425bfa2e..9d1b67d3bbf 100644
--- a/nixos/modules/config/nsswitch.nix
+++ b/nixos/modules/config/nsswitch.nix
@@ -95,7 +95,9 @@ with lib;
   config = {
     assertions = [
       {
-        # generic catch if the NixOS module adding to nssModules does not prevent it with specific message.
+        # Prevent users from disabling nscd, with nssModules being set.
+        # If disabling nscd is really necessary, it's still possible to opt out
+        # by forcing config.system.nssModules to [].
         assertion = config.system.nssModules.path != "" -> config.services.nscd.enable;
         message = "Loading NSS modules from path ${config.system.nssModules.path} requires nscd being enabled.";
       }