patchutils = prev.patchutils.overrideAttrs (old: rec {
      version = "0.4.4";
      src = final.fetchFromGitHub {
        owner = "twaugh";
        repo = "patchutils";
        tag = version;
        hash = "sha256-+gcVfNcAdcHTndHdarilbjIVsDJH6NTQsoQ5NN7veHU=";
      };
      nativeBuildInputs = old.nativeBuildInputs or [ ] ++ [
        final.gettext
        final.gnulib
        final.autoconf
        final.automake
      ];
      postPatch = ''
        ./bootstrap
      '';
    });

Not too bad, seems 0.4.4 just works (though i did do a github fetch and reconf, the url we normally use didn't work for some reason)