1 files changed, 40 insertions, 46 deletions

diff --git a/lib/mk-sandbox-system.nix b/lib/mk-sandbox-system.nix
index 7514b93..5574736 100644
--- a/lib/mk-sandbox-system.nix
+++ b/lib/mk-sandbox-system.nix
@@ -7,8 +7,6 @@
 , patchQemu9p ? false
 }:
 
-with nixpkgs.lib;
-
 let
   pkgs = import nixpkgs { inherit system; };
 
@@ -26,62 +24,58 @@ let
 
 in rec {
 
-  nixosConfigurations.${name} = nixosSystem {
-    inherit system;
-
-    modules = [
-      (nixpkgs + "/nixos/modules/profiles/minimal.nix")
+  nixosConfigurations.${name} = pkgs.nixos
+  ({ modulesPath, lib, pkgs, ... }: with lib; {
+    imports = [
+      (modulesPath + "/profiles/minimal.nix")
       { environment.noXlibs = false; }  # avoid mass rebuild
 
-      (nixpkgs + "/nixos/modules/profiles/qemu-guest.nix")
-      (nixpkgs + "/nixos/modules/virtualisation/qemu-vm.nix")
-
-      ({ config, lib, pkgs, ... }: {
+      (modulesPath + "/profiles/qemu-guest.nix")
+      (modulesPath + "/virtualisation/qemu-vm.nix")
 
-        system.stateVersion = mkDefault pkgs.lib.trivial.release;
+      config
+    ];
 
-        networking = {
-          hostName = name;
-          firewall.enable = mkDefault false;
-        };
+    system.stateVersion = mkDefault trivial.release;
 
-        users.users.${user} = {
-          isNormalUser = mkDefault true;
-          password = mkDefault "";
-          extraGroups = mkDefault [ "wheel" ];
-        };
+    networking = {
+      hostName = name;
+      firewall.enable = mkDefault false;
+    };
 
-        security.sudo.wheelNeedsPassword = mkDefault false;
+    users.users.${user} = {
+      isNormalUser = mkDefault true;
+      password = mkDefault "";
+      extraGroups = mkDefault [ "wheel" ];
+    };
 
-        services.getty = {
-          autologinUser = mkDefault user;
-          helpLine = mkDefault ''
-            Press <CTRL-a> <x> to terminate the virtual machine.
-            The working directory on the host is mounted to /mnt.
-          '';
-        };
+    security.sudo.wheelNeedsPassword = mkDefault false;
 
-        virtualisation = {
-          graphics = mkDefault false;
-          diskImage = mkDefault "$(mktemp).qcow2";
+    services.getty = {
+      autologinUser = mkDefault user;
+      helpLine = mkDefault ''
+        Press <CTRL-a> <x> to terminate the virtual machine.
+        The working directory on the host is mounted to /mnt.
+      '';
+    };
 
-          sharedDirectories.host = {
-            source = "$SHARED_CWD";
-            target = "/mnt";
-          };
+    virtualisation = {
+      graphics = mkDefault false;
+      diskImage = mkDefault "$(mktemp).qcow2";
 
-          # Uncomment when this is merged:
-          # https://github.com/NixOS/nixpkgs/pull/200225
-          #restrictNetwork = mkDefault true;
+      sharedDirectories.host = {
+        source = "$SHARED_CWD";
+        target = "/mnt";
+      };
 
-          qemu.package = mkDefault
-            (if patchQemu9p then qemu_kvm_patched_9p else pkgs.qemu_kvm);
-        };
-      })
+      # Uncomment when this is merged:
+      # https://github.com/NixOS/nixpkgs/pull/200225
+      #restrictNetwork = mkDefault true;
 
-      config
-    ];
-  };
+      qemu.package = mkDefault
+        (if patchQemu9p then qemu_kvm_patched_9p else pkgs.qemu_kvm);
+    };
+  });
 
   packages.${name} = nixosConfigurations.${name}.config.system.build.vm;