switch to nixpkgs hosteded by cache.nixos.org

take 2 on https://git.clan.lol/clan/clan-core/pulls/2921

checks/container/default.nix

@@ -1,7 +1,7 @@
 (import ../lib/container-test.nix) (
   { ... }:
   {
-    name = "secrets";
+    name = "container";
 
     nodes.machine =
       { ... }:

checks/installation/flake-module.nix

@@ -92,6 +92,7 @@
         self.nixosConfigurations.test-install-machine.config.system.build.toplevel
         self.nixosConfigurations.test-install-machine.config.system.build.diskoScript
         self.nixosConfigurations.test-install-machine.config.system.clan.deployment.file
+        pkgs.bash.drvPath
         pkgs.stdenv.drvPath
         pkgs.nixos-anywhere
         pkgs.bubblewrap

checks/lib/container-test.nix

@@ -16,6 +16,9 @@ in
       documentation.enable = lib.mkDefault false;
       boot.isContainer = true;
 
+      # needed since nixpkgs 7fb2f407c01b017737eafc26b065d7f56434a992 removed the getty unit by default
+      console.enable = true;
+
       # undo qemu stuff
       system.build.initialRamdisk = "";
       virtualisation.sharedDirectories = lib.mkForce { };