From 95134b39dbeb11626475e8416d6aee7807dcdeca Mon Sep 17 00:00:00 2001
From: "quentin@aristote.fr" <quentin@aristote.fr>
Date: Sun, 23 Feb 2025 10:46:59 +0100
Subject: nixos: autoUpgrade: dry-build before rebuilding

---
 modules/nixos/personal/nix.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'modules/nixos/personal/nix.nix')

diff --git a/modules/nixos/personal/nix.nix b/modules/nixos/personal/nix.nix
index f167d55..53daa6c 100644
--- a/modules/nixos/personal/nix.nix
+++ b/modules/nixos/personal/nix.nix
@@ -123,10 +123,11 @@ in {
         flags = lib.optional (!hasFlake) "--upgrade-all";
       };
       systemd.services.nixos-upgrade = lib.mkMerge [
-        checkNetwork
         {
+          preStart = "${config.system.build.nixos-rebuild}/bin/nixos-rebuild dry-build ${toString config.system.autoUpgrade.flags}";
           personal.monitor = true;
         }
+        checkNetwork # has to come second, so network is checked before the dry-build
       ];
     })
 
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