push sheeet

nixos/tests/installer/byAttrNoChannel.nix

@@ -0,0 +1,20 @@
+# This file gets copied into the installation
+
+let
+  nixpkgs = "@nixpkgs@";
+in
+
+{
+  evalConfig ? import "${nixpkgs}/nixos/lib/eval-config.nix",
+}:
+
+evalConfig {
+  modules = [
+    ./configuration.nix
+    (import "${nixpkgs}/nixos/modules/testing/test-instrumentation.nix")
+    {
+      # Disable nix channels
+      nix.channel.enable = false;
+    }
+  ];
+}

nixos/tests/installer/byAttrWithChannel.nix

@@ -0,0 +1,12 @@
+# This file gets copied into the installation
+
+{
+  evalConfig ? import <nixpkgs/nixos/lib/eval-config.nix>,
+}:
+
+evalConfig {
+  modules = [
+    ./configuration.nix
+    (import <nixpkgs/nixos/modules/testing/test-instrumentation.nix>)
+  ];
+}

nixos/tests/installer/flake.nix

@@ -0,0 +1,22 @@
+# This file gets copied into the installation
+
+{
+  # To keep things simple, we'll use an absolute path dependency here.
+  inputs.nixpkgs.url = "@nixpkgs@";
+
+  outputs =
+    { nixpkgs, ... }:
+    {
+
+      nixosConfigurations.xyz = nixpkgs.lib.nixosSystem {
+        modules = [
+          ./configuration.nix
+          (nixpkgs + "/nixos/modules/testing/test-instrumentation.nix")
+          {
+            # We don't need nix-channel anymore
+            nix.channel.enable = false;
+          }
+        ];
+      };
+    };
+}