Get the demo running an intake server

flake.nix

@@ -52,7 +52,7 @@
       modules = [
         nixos-shell.nixosModules.nixos-shell
         self.nixosModules.intake
-        ./tests/demo.nix
+        (import ./tests/demo.nix self)
       ];
     };
   };

tests/demo.nix

@@ -1,6 +1,15 @@
-{ pkgs, ... }:
+flake: { pkgs, ... }:
 
-{
+let
+  intake = flake.packages.${pkgs.stdenv.hostPlatform.system}.default;
+
+  pythonPkg = pkgs.python38;
+  pythonEnv = pythonPkg.withPackages (pypkgs: [ intake ]);
+
+  intakeRun = pkgs.writeShellScript "intake-run.sh" ''
+    ${pythonEnv}/bin/intake run -d /home/alpha/.local/share/intake
+  '';
+in {
   system.stateVersion = "22.11";
 
   nixos-shell.mounts = {
@@ -9,6 +18,19 @@
     cache = "none";
   };
 
+  systemd.services."intake@alpha" = {
+    description = "Intake service for user alpha";
+    script = "${intakeRun}";
+    path = [ ];
+    serviceConfig = {
+      User = "alpha";
+      Type = "simple";
+    };
+    wantedBy = [ "multi-user.target" ];
+    after = [ "network.target" ];
+    enable = true;
+  };
+
   services.nginx.enable = true;
   services.nginx.virtualHosts = {
     alpha-fsid = {