nixos module to start kiwmi at boot

this is here for my convenience, I make no claims of practicality
or beauty (it uses nix-shell and hardcodes pathnames)

module.nix

@@ -0,0 +1,58 @@
+{ config, lib, pkgs, ... }:
+{
+  systemd.services."eufon" = {
+    wants = [
+      "systemd-machined.service"
+      "accounts-daemon.service"
+      "systemd-udev-settle.service"
+      "dbus.socket"
+    ];
+    aliases = [ "display-manager.service" ];
+    after =  [
+      "rc-local.service"
+      "systemd-machined.service"
+      "systemd-user-sessions.service"
+      "getty@tty2.service"
+      "plymouth-quit.service"
+      "plymouth-start.service"
+      "systemd-logind.service"
+      "systemd-udev-settle.service"
+    ];
+    conflicts = [
+      "getty@tty2.service"
+      "plymouth-quit.service"
+    ];
+    wantedBy = [ "multi-user.target" ];
+    serviceConfig =
+      let run-eufon = pkgs.writeScript "run-eufon" ''
+          #!${pkgs.bash}/bin/bash
+          source ${config.system.build.setEnvironment}
+          ${pkgs.dbus}/bin/dbus-run-session /home/dan/src/eufon/run.sh
+          systemd-cat echo "dbus-run-session $?"
+        '';
+      in {
+        WorkingDirectory = "/home/dan/src/eufon";
+        TTYPath = "/dev/tty2";
+        TTYReset = "yes";
+        TTYVHangup = "yes";
+        TTYVTDisallocate = "yes";
+        PAMName = "login";
+        StandardInput = "tty";
+        StandardError = "journal";
+        StandardOutput = "journal";
+        User = "dan";
+        ExecStart = run-eufon;
+        Restart = "always";
+      };
+    environment = {
+      NIX_PATH = "nixpkgs=${<nixpkgs>}";
+    };
+  };
+  environment.systemPackages = with pkgs; [
+    git
+  ];
+  networking.networkmanager.enable = true;
+  services.logind.extraConfig = ''
+    HandlePowerKey=ignore
+  '';
+}

run.sh

@@ -0,0 +1,2 @@
+#!/usr/bin/env bash
+nix-shell --run "start_eufon"

shell.nix

@@ -5,5 +5,11 @@ in (p.overrideAttrs (o:{
   shellHook = ''
     export LUA_PATH=`lua -e 'print(package.path)'`
     export LUA_CPATH=`lua -e 'print(package.cpath)'`
+    # this is a shell function mostly so that I can comment it out
+    # to experiment with starting sway or tinywl or something else
+    # to see how they behave if kiwmi is being weird
+    start_eufon(){
+      kiwmi -c init.lua;
+    }
   '';
 })).override { debug = true; }