initial test config

nixos/flake-module.nix

@@ -0,0 +1,45 @@
+# copied and adopted from maralorns config
+# This automatically searches for nixos configs in ./machines/${name}/configuration.nix
+# and exposes them as outputs.nixosConfigurations.${name}
+{
+  withSystem,
+  lib,
+  inputs,
+  ...
+}:
+{
+  flake = {
+    nixosConfigurations = withSystem "x86_64-linux" (
+      { pkgs, ... }:
+      let
+        machines = builtins.attrNames (builtins.readDir ./machines);
+        makeSystem =
+          name:
+          let
+            importedConfig = import (./. + "/machines/${name}/configuration.nix");
+            systemConfig =
+              if lib.isFunction importedConfig then
+                x:
+                importedConfig (
+                  x
+                  // {
+                    flake-inputs = inputs;
+                    inherit pkgs;
+                  }
+                )
+              else
+                importedConfig;
+          in
+          pkgs.nixos {
+            imports = [
+              systemConfig
+              inputs.sops-nix.nixosModules.sops
+              inputs.impermanence.nixosModules.impermanence
+              inputs.home-manager.nixosModules.home-manager
+            ];
+          };
+      in
+      lib.genAttrs machines makeSystem
+    );
+  };
+}