{ config, pkgs, ... }:
let
  extraArgs = [
    "--exclude='.cache'"
    "--exclude='.rustup'"
    "--exclude='.cargo'"
    "--exclude='.config/Element/Cache'"
    "--exclude='.config/discord/Cache'"
  ];
  niceness = {
    Nice = 19;
    IOSchedulingClass = "idle";
  };
in {

  services = {
    restic.backups.home-to-bolty = {
      passwordFile = "/etc/nixos/secrets/restic-password-bolty";
      paths = [ "/home" ];
      repository = "rest:http://bolty:8000/";
      timerConfig = { OnCalendar = "hourly"; };
      extraBackupArgs = extraArgs;
    };

    restic.backups.home-to-b2 = {
      passwordFile = "/etc/nixos/secrets/restic-password-b2";
      paths = [ "/home" ];
      repository = "b2:cyplo-restic-${config.networking.hostName}:/";
      timerConfig = { OnCalendar = "hourly"; };
      extraBackupArgs = extraArgs;
      environmentFile = "/etc/nixos/secrets/b2-env";
    };
  };

  systemd.services.restic-backups-home-to-bolty.serviceConfig = niceness;
  systemd.services.restic-backups-home-to-b2.serviceConfig = niceness;
}