Move marauder configs to new flake

backup.nix

@@ -0,0 +1,44 @@
+{ pkgs, config, secrets, ... }: {
+  systemd.services = {
+    notify-backup-b2-failed = {
+      description = "Notify on failed backup to B2";
+      serviceConfig = {
+        Type = "oneshot";
+        User = "nettika";
+      };
+      environment = {
+        DBUS_SESSION_BUS_ADDRESS = "unix:path=/run/user/1000/bus";
+      };
+      path = [ pkgs.libnotify ];
+      script = ''
+        notify-send -u critical "Backup to B2 failed" "$(journalctl -u restic-backups-b2 -n 5 -o cat)"'';
+    };
+    restic-backups-b2 = { onFailure = [ "notify-backup-b2-failed.service" ]; };
+  };
+
+  environment.etc = {
+    "restic-env".text = ''
+      B2_ACCOUNT_ID="${secrets.b2.accountId}"
+      B2_ACCOUNT_KEY="${secrets.b2.accountKey}"
+    '';
+    "restic-password".text = secrets.restic.password;
+  };
+
+  services.restic.backups = {
+    b2 = {
+      initialize = true;
+      environmentFile = "/etc/restic-env";
+      repository = "b2:marauder-backup";
+      passwordFile = "/etc/restic-password";
+      paths = [
+        "${config.users.users.nettika.home}/Artwork"
+        "${config.users.users.nettika.home}/Documents"
+        "${config.users.users.nettika.home}/Music"
+        "${config.users.users.nettika.home}/Pictures"
+        "${config.users.users.nettika.home}/Projects"
+        "${config.users.users.nettika.home}/Videos"
+      ];
+      pruneOpts = [ "--keep-daily 7" "--keep-weekly 5" "--keep-monthly 12" ];
+    };
+  };
+}