Made timers their own module

modules/timers/backup.nix

@@ -0,0 +1,40 @@
+{
+  inputs,
+  outputs,
+  lib,
+  config,
+  pkgs,
+  ...
+}: let
+  inherit (lib) mkEnableOption mkIf mkOption types;
+  cfg = config.horseman.timers.backup;
+  homeCfg = config.horseman;
+in {
+  options = {
+    horseman.timers.backup = {
+      enable = mkEnableOption "Enables the backup service";
+    };
+  };
+
+  config = mkIf cfg.enable {
+    assert homeCfg.network.syncthing || throw "Syncthing has not been enabled on this machine, refusing to add timer.";
+
+    systemd.timers."backupsyncthing" = {
+      wantedby = ["timers.target"];
+      timerconfig = {
+        oncalendar = "weekly";
+        persistent = true;
+      };
+    };
+
+    systemd.services."backupsyncthing" = {
+      script = ''
+        /home/horseman/nix-config/misc/backup.sh
+      '';
+      serviceconfig = {
+        type = "oneshot";
+        user = "horseman";
+      };
+    };
+  };
+}