{ pkgs, ... }:

{
  nixpkgs.config.packageOverrides = pkgs: rec {
    letsencrypt-ca = import ./letsencrypt-ca.nix {
      stdenv = pkgs.stdenv;
      fetchurl = builtins.fetchurl;
    };

    minecraft-server_1_15_1 = pkgs.minecraft-server.overrideAttrs (oldAttrs: rec {
      version = "1.15.1";
      src = builtins.fetchurl {
        url = "https://launcher.mojang.com/v1/objects/4d1826eebac84847c71a77f9349cc22afd0cf0a1/server.jar";
        sha256 = "a0c062686bee5a92d60802ca74d198548481802193a70dda6d5fe7ecb7207993";
      };
    });

    minecraft-server_1_15_2 = pkgs.minecraft-server.overrideAttrs (oldAttrs: rec {
      version = "1.15.2";
      src = builtins.fetchurl {
        url = "https://launcher.mojang.com/v1/objects/bb2b6b1aefcd70dfd1892149ac3a215f6c636b07/server.jar";
        sha256 = "12kynrpxgcdg8x12wcvwkxka0fxgm5siqg8qq0nnmv0443f8dkw0";
      };
    });

    postgresql_11_gssapi = pkgs.postgresql_11.overrideAttrs (oldAttrs: rec {
      configureFlags = oldAttrs.configureFlags ++ [ "--with-gssapi" ];
      buildInputs = oldAttrs.buildInputs ++ [ pkgs.krb5 ];
    });

    postgresql_12_gssapi = pkgs.postgresql_12.overrideAttrs (oldAttrs: rec {
      configureFlags = oldAttrs.configureFlags ++ [ "--with-gssapi" ];
      buildInputs = oldAttrs.buildInputs ++ [ pkgs.krb5 ];
    });
  };
}