moby: init GPS during boot

hosts/by-name/moby/default.nix

@@ -37,10 +37,6 @@
   ];
 
   sane.gui.sxmo.enable = true;
-  # sane.services.eg25-manager.enable = true;
-  # i only need eg25-manager for GPS purposes;
-  # but modemmanager outright fails -- blocking eg25-manager -- unless i provide it a sim.
-  sane.services.eg25-manager.package = pkgs.eg25-manager.override { withModemManager = false; };
   sane.programs.guiApps.suggestedPrograms = [ "handheldGuiApps" ];
   # sane.programs.consoleUtils.enableFor.user.colin = false;
   # sane.programs.guiApps.enableFor.user.colin = false;

hosts/by-name/moby/gps.nix

@@ -20,5 +20,5 @@
   services.gpsd.enable = true;
   services.gpsd.devices = [ "/dev/ttyUSB1" ];
 
-  # TODO: enable eg25-manager, and bring online both the modem and GPS on boot
+  sane.services.eg25-control.enable = true;
 }

modules/services/default.nix

@@ -2,6 +2,7 @@
 {
   imports = [
     ./dyn-dns.nix
+    ./eg25-control.nix
     ./eg25-manager.nix
     ./kiwix-serve.nix
     ./mautrix-signal.nix

modules/services/eg25-control.nix

@@ -0,0 +1,27 @@
+{ config, lib, pkgs, ... }:
+let
+  cfg = config.sane.services.eg25-control;
+in
+{
+  options.sane.services.eg25-control = with lib; {
+    enable = mkEnableOption "Quectel EG25 modem configuration scripts. alternative to eg25-manager";
+    package = mkOption {
+      type = types.package;
+      default = pkgs.eg25-control;
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    systemd.services.eg25-control-defaults = {
+      serviceConfig = {
+        Type = "simple";
+        ExecStart = "${cfg.package}/bin/eg25-control --power-on --enable-gps --dump-debug-info --verbose";
+        Restart = "on-failure";
+        RestartSec = "60s";
+      };
+      after = [ "ModemManager.service" ];
+      wants = [ "ModemManager.service" ];
+      wantedBy = [ "multi-user.target" ];
+    };
+  };
+}