flake.nix: multi system packages

flake.nix

@@ -84,18 +84,18 @@
       };
     } // helper.mapToColmenaHosts self.nixosConfigurations;
 
-    packages.x86_64-linux = let
+    packages = nixpkgs.lib.genAttrs [ "x86_64-linux" "aarch64-linux" ] (system: let
       pkgs = import nixpkgs {
+        inherit system;
         overlays = [
           (import ./pkgs/overlay.nix)
           (_: _: {
-            inherit (agenix.packages."x86_64-linux")
+            inherit (agenix.packages.${system})
               agenix;
-            inherit (chaosevents.packages."x86_64-linux")
+            inherit (chaosevents.packages.${system})
               chaosevents;
            })
         ];
-        system = "x86_64-linux";
       };
     in {
       inherit (pkgs)
@@ -113,7 +113,7 @@
         update-from-hydra
         uptimestatus
         wetter;
-    };
+    });
 
     hydraJobs = {
       inherit (self)

hosts/krypton/configuration.nix

@@ -29,6 +29,10 @@
 
   networking.hostName = "krypton";
 
+  boot.binfmt.emulatedSystems = [
+    "aarch64-linux"
+  ];
+
   system.stateVersion = "23.05";
 }