1 files changed, 15 insertions, 0 deletions
diff --git a/nixos/modules/misc/version.nix b/nixos/modules/misc/version.nix
index b8f0a223c91..7519d917698 100644
--- a/nixos/modules/misc/version.nix
+++ b/nixos/modules/misc/version.nix
@@ -16,6 +16,21 @@ in
 
   options.system = {
 
+    # XXX: Reintroduce old options to make nixops before 1.6 able to evaluate configurations
+    # XXX: Remove after nixops has been bumped to a compatible version
+    nixosVersion = mkOption {
+      readOnly = true;
+      internal = true;
+      type = types.str;
+      default = config.system.nixos.version;
+    };
+    nixosVersionSuffix = mkOption {
+      readOnly = true;
+      internal = true;
+      type = types.str;
+      default = config.system.nixos.versionSuffix;
+    };
+
     nixos.version = mkOption {
       internal = true;
       type = types.str;