From d1a83f009ad7ae5aff579fe2664c061b60f36dcf Mon Sep 17 00:00:00 2001
From: toinux <26522723+itzwam@users.noreply.github.com>
Date: Tue, 28 Apr 2026 01:03:22 +0200
Subject: [PATCH] feat: targetImage - using nixpkgs images module toplevels for
 updating images post-deployment

---
 src/nix/hive/eval.nix    | 2 +-
 src/nix/hive/options.nix | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/nix/hive/eval.nix b/src/nix/hive/eval.nix
index 91e4f4c..b000294 100644
--- a/src/nix/hive/eval.nix
+++ b/src/nix/hive/eval.nix
@@ -184,7 +184,7 @@ in rec {
   __schema = "v0.5";
 
   nodes = listToAttrs (map (name: { inherit name; value = evalNode name (configsFor name); }) nodeNames);
-  toplevel =         lib.mapAttrs (_: v: v.config.system.build.toplevel) nodes;
+  toplevel = lib.mapAttrs (name: node: let targetImage = deploymentConfig.${name}.targetImage; in if targetImage == null then node.config.system.build.toplevel else node.config.system.build.images.${targetImage}.passthru.config.system.build.toplevel) nodes;
   deploymentConfig = lib.mapAttrs (_: v: v.config.deployment)            nodes;
   deploymentConfigSelected = names: lib.filterAttrs (name: _: elem name names) deploymentConfig;
   evalSelected =             names: lib.filterAttrs (name: _: elem name names) toplevel;
diff --git a/src/nix/hive/options.nix b/src/nix/hive/options.nix
index 3f56642..02dd3b5 100644
--- a/src/nix/hive/options.nix
+++ b/src/nix/hive/options.nix
@@ -124,6 +124,13 @@ with builtins; rec {
           type = types.nullOr types.str;
           default = "root";
         };
+        targetImage = lib.mkOption {
+          description = ''
+            The image (from system.build.images.<targetImage>) to deploy on the target.
+          '';
+          type = types.nullOr types.str;
+          default = null;
+        };
         allowLocalDeployment = lib.mkOption {
           description = ''
             Allow the configuration to be applied locally on the host running