From 762782a62898c0f3949e5c61b60c3a2268c22667 Mon Sep 17 00:00:00 2001
From: seth <getchoo@tuta.io>
Date: Thu, 6 Jul 2023 18:26:21 -0400
Subject: modules/nixos: add upgrade-diff script

---
 modules/nixos/base/default.nix      |  1 +
 modules/nixos/base/upgrade-diff.nix | 12 ++++++++++++
 2 files changed, 13 insertions(+)
 create mode 100644 modules/nixos/base/upgrade-diff.nix

(limited to 'modules/nixos/base')

diff --git a/modules/nixos/base/default.nix b/modules/nixos/base/default.nix
index 63700e1..e788ded 100644
--- a/modules/nixos/base/default.nix
+++ b/modules/nixos/base/default.nix
@@ -17,6 +17,7 @@ in {
     ./root.nix
     ./security.nix
     ./systemd.nix
+    ./upgrade-diff.nix
     ./virtualisation.nix
   ];
 
diff --git a/modules/nixos/base/upgrade-diff.nix b/modules/nixos/base/upgrade-diff.nix
new file mode 100644
index 0000000..68be9af
--- /dev/null
+++ b/modules/nixos/base/upgrade-diff.nix
@@ -0,0 +1,12 @@
+{
+  config,
+  pkgs,
+  ...
+}: {
+  system.activationScripts."upgrade-diff" = {
+    supportsDryActivation = true;
+    text = ''
+      ${pkgs.nvd}/bin/nvd --nix-bin-dir=${config.nix.package}/bin diff /run/current-system "$systemConfig"
+    '';
+  };
+}
-- 
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