{ pkgs, ... }:
let
  version = "hpd-0.2.0";
  newSrc = pkgs.fetchhg {
    url = "https://mirror.octobus.net/heptapod/heptapod-runner";
    rev = "b4fda456f403";
    sha256 = "1ybkd2jnq2dvkj157w2nlf9rmrgbd8kas43kimi9aarajgi9sri1";
  };
in
pkgs.gitlab-runner.overrideAttrs (oldAttrs: rec {
  inherit version;
  buildInputs = [
    (pkgs.mercurial.overrideAttrs (hgOldAttrs: rec {
      postInstall = ''
        mkdir -p "$out/etc/mercurial"
        cp "${newSrc}/dockerfiles/build/runner.hgrc" "$out/etc/mercurial/hgrc"
      '';
    }))
  ];
  src = newSrc;
})