dynix/modules/dynamicism/submodule.nix

{
  name,
  lib,
  config,
  ...
}:
let
  inherit (lib.modules)
    mkIf
  ;
  inherit (lib.options)
    mkOption
    mkEnableOption
    literalExpression
  ;
  t = lib.types;

  /** Either a list of strings, or a dotted string that will be split. */
  convenientAttrPath = t.coercedTo t.str (lib.splitString ".") (t.listOf t.str);
in
{
  options = {
    enable = mkEnableOption "dynamicism for '${name}'";

    source-options = mkOption {
      type = t.listOf convenientAttrPath;
      description = "A list of attrpaths of the NixOS option the dynamicism for '${name}' uses";
      example = literalExpression ''
        [ [ "services" "gotosocial" "settings" ] "services.nginx.settings" ]
      '';
    };

    systemd-services-updated = mkOption {
      type = t.listOf t.str;
      description = ''
        A list of systemd unit names (including the suffix, e.g. `.service`) that need to be updated.
      '';
      example = literalExpression ''
        "gotosocial.service"
      '';
    };
  };

  config = mkIf config.enable {

  };
}