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{
  config,
  inputs,
  lib,
  pkgs,
  ...
}:
with lib; let
  cfg = config.nixfiles.modules.podman;
in {
  options.nixfiles.modules.podman.enable = mkEnableOption "Podman";

  config = mkIf cfg.enable {
    assertions = [
      {
        assertion = !config.nixfiles.modules.docker.enable;
        message = "Pick only one!";
      }
    ];

    nixfiles.modules.common.shell.aliases.p = "podman";

    secrets.containers-auth = {
      file = "${inputs.self}/secrets/containers-auth";
      path = "${config.dirs.config}/containers/auth.json";
      owner = my.username;
      inherit (config.my) group;
    };

    virtualisation.podman.enable = true;

    environment.systemPackages = with pkgs; [podman-compose];

    my.extraGroups = ["podman"];

    hm.xdg.configFile = {
      # This removes a really annoying registry search. 100% of the time I
      # would need to look up stuff from the Docker and not Quay!
      "containers/registries.conf".text = ''
        [registries.search]
        registries = ["docker.io"]
      '';

      # As for plain OverlayFS in Podman over ZFS[1]... I guess we are waiting
      # for Podman to catch up now.
      #
      # [1]: https://github.com/openzfs/zfs/pull/14070#issuecomment-1309116666
      "containers/storage.conf".text = optionalString config.boot.zfs.enabled ''
        [storage]
        driver = "overlay"

        [storage.options]
        mount_program = "${getExe' pkgs.fuse-overlayfs "fuse-overlayfs"}"
        mountopt = "noatime,nodev,nosuid"
      '';
    };
  };
}