use agenix

flake.nix

@@ -52,8 +52,12 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
     ksoloti-pr.url = "github:repomaa/nixpkgs/pkg/ksoloti";
+    agenix = {
+      url = "github:ryantm/agenix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
-  outputs = { flake-parts, nixpkgs, ... }@inputs:
+  outputs = { flake-parts, agenix, nixpkgs, ... }@inputs:
     flake-parts.lib.mkFlake { inherit inputs; } (
       let
         ssh.publicKeys.yubikey = "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBLIUkESu5NnBi1M0+ZjYrkp6/rIFuwc3aguspf98jmOydNce6l65cnS3GRzc9oWx4lu11ahi87ZuE+pYV+gaHm4=";
@@ -74,6 +78,7 @@
               (writeShellScriptBin "evaluate" ''
                 ${nix}/bin/nix build --dry-run ".#nixosConfigurations.$1.config.system.build.toplevel" | ${nix-output-monitor}/bin/nom
               '')
+              agenix.packages.${pkgs.system}.default
             ];
           };
         };