nixos: version: produce a warning when no system.nixos.stateVersion is explicitly set

2018-05-12 19:27:10 +00:00
parent 4017fdcafd
commit 1f0b6922d3
1 changed files with 4 additions and 1 deletions
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ options, config, lib, pkgs, ... }:

 with lib;

@@ -76,6 +76,9 @@ in

  config = {

+    warnings = lib.optional (options.system.nixos.stateVersion.highestPrio > 1000)
+      "You don't have `system.nixos.stateVersion` explicitly set. Expect things to break.";
+
    system.nixos = {
      # These defaults are set here rather than up there so that
      # changing them would not rebuild the manual